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release-notes-6.0
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HTML header: <title>dCache 6.0 Release Notes</title>
<!--#include virtual="/template/default-head.shtml" -->
<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
<!-- Bootstrap -->
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integrity="sha384-1q8mTJOASx8j1Au+a5WDVnPi2lkFfwwEAa8hDDdjZlpLegxhjVME1fgjWPGmkzs7" crossorigin="anonymous"/>
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integrity="sha384-fLW2N01lMqjakBkx3l/M9EahuwpSfeNvV63J5ezn3uZzapT0u7EYsXMjQV+0En5r" crossorigin="anonymous"/>
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#toc {
position: relative;
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@media print {
#toc {
display: none;
}
}
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<div class="container">
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<h1>What's new in dCache 6.0<br/>
<small>Release notes</small></h1>
</div>
## Highlights
- The nfs door will return error NO-SPACE when all pools are full.
- Added control to modify behavior of the pool space sweeper.
- HSM flush queue can be set to behave as either LIFO (last-in-first-out) or FIFO (first-in-first-out).
## Incompatibilities
The 6.0 release breaks compatibility of pools with pre-6.0 `dcap` and `srm` doors.
However, the 6.0 doors will work with existing pre-6.0 pools.
## Acknowledgments
We would like to thank HTW-Berlin students David Linke, Lilit Patzwaldt-Sergoyan, Marcel Waldau,
Quentin Kuth, Sophie Schauer, Viktoriia Sulimenko, Vladimir Vilenchik, Johann Gillhoff and Dieter
Weber from FZ-Jülich for their contributions.
## Release 6.0.46
### acl
The group ACEs now apply to desired group instead of to a users with the
same numeric id.
### Changelog 6.0.45..6.0.46
<!-- git log 6.0.45..6.0.46 -no-merges -format='[%h](https://github.com/dcache/dcache/commit/%H)%n: %s%n' -->
[afec1d9804](https://github.com/dcache/dcache/commit/afec1d9804258b0fb7fe9bcab96d4269158a560a)
: [maven-release-plugin] prepare release 6.0.46
[73ace761ec](https://github.com/dcache/dcache/commit/73ace761ec079cc4a29ef771d1badd26d30fe7df)
: acl: set IDENTIFIER_GROUP flag if WHO is GROUP or OWNER_GROUP
[73ccd9aa9c](https://github.com/dcache/dcache/commit/73ccd9aa9cc3c6bbea2bb9195f7a2b62f13dcb67)
: [maven-release-plugin] prepare for next development iteration
## Release 6.0.45
### frontend
SRR returns data now with official json schema
### webdav
Fix how sym-links are shown in the static HTML (web-browser) view from
the WebDAV door.
### Changelog 6.0.44..6.0.45
<!-- git log 6.0.44..6.0.45 -no-merges -format='[%h](https://github.com/dcache/dcache/commit/%H)%n: %s%n' -->
[2e63f177e5](https://github.com/dcache/dcache/commit/2e63f177e547f9d8159b69d59cfce48d16109ed4)
: [maven-release-plugin] prepare release 6.0.45
[c0424b77bc](https://github.com/dcache/dcache/commit/c0424b77bc12bb62c34082a981d4f2f76d51b235)
: frontend: add service to provide Storage resource reporting
[a0db393543](https://github.com/dcache/dcache/commit/a0db3935432ac3e558655ae6d11f1abecf287dfe)
: webdav: update representation of symbolic links in HTML page
[9c8d1379cc](https://github.com/dcache/dcache/commit/9c8d1379cc8670a271d97422ce3b396e3eef5c04)
: [maven-release-plugin] prepare for next development iteration
## Release 6.0.44
### dcache-xroot
The next release of xrootd4j is used now, which improves handling TPC
read requests.
### Changelog 6.0.43..6.0.44
<!-- git log 6.0.43..6.0.44 -no-merges -format='[%h](https://github.com/dcache/dcache/commit/%H)%n: %s%n' -->
[f86d20c494](https://github.com/dcache/dcache/commit/f86d20c494f701286ff8ad85057ecca5ee1c4a67)
: [maven-release-plugin] prepare release 6.0.44
[fa1b4ba1b1](https://github.com/dcache/dcache/commit/fa1b4ba1b137b9a0b87940e4ded67c6d108bf0e9)
: dcache-xroot: bump dependency to next xrootd4j release
[6323e314b7](https://github.com/dcache/dcache/commit/6323e314b7189096cf4a253100bf52638a002406)
: [maven-release-plugin] prepare for next development iteration
## Release 6.0.43
### srmmanager
A race condition is fixed that, if triggered, results in a memory leak.
This leak can also affect the TURLs returned by SrmManager, where
out-of-date information about doors is used.
### Changelog 6.0.42..6.0.43
<!-- git log 6.0.42..6.0.43 -no-merges -format='[%h](https://github.com/dcache/dcache/commit/%H)%n: %s%n' -->
[4385e5e28f](https://github.com/dcache/dcache/commit/4385e5e28f1f559356cca682cf0d557a1956661d)
: [maven-release-plugin] prepare release 6.0.43
[3b17e8be6b](https://github.com/dcache/dcache/commit/3b17e8be6b0057640c6af54fadb0806ebc0821be)
: srmmanager: fix race condition in LoginBrokerSubscriber
[6ca5dfba13](https://github.com/dcache/dcache/commit/6ca5dfba137cc30b3548ffcaa85558975dcbcd0a)
: [maven-release-plugin] prepare for next development iteration
## Release 6.0.42
### alarms
Clearer documentation for billing/alarms services regarding HA requirements.
### skel
Whether a cell/service supports HA or not can
now be derived from the properties file (except
for doors).
Please see `<name>.cell.replicable`.
### srm
The access log file for SRM requests now includes the client-supplied
list of protocols, if any were provided.
### Changelog 6.0.41..6.0.42
<!-- git log 6.0.41..6.0.42 -no-merges -format='[%h](https://github.com/dcache/dcache/commit/%H)%n: %s%n' -->
[8f75d74149](https://github.com/dcache/dcache/commit/8f75d74149479170fb0ccb46257cac32c38cde9e)
: [maven-release-plugin] prepare release 6.0.42
[fe0e209cce](https://github.com/dcache/dcache/commit/fe0e209cce25f184ea0e1a222e6c2703f89582d5)
: alarms, billing: specify shared rdbms in the case of replicated service
[0171353976](https://github.com/dcache/dcache/commit/0171353976efaffbb185cb657d7f615650c8c1ea)
: skel: add explicit replicable property even when value is false
[38df4f3560](https://github.com/dcache/dcache/commit/38df4f3560b74b941609549fe2ef535f270b78c2)
: srm: log transfer protocols in access log
[8c3a1dd8e3](https://github.com/dcache/dcache/commit/8c3a1dd8e348352fe3e3d6a6fc19cd9df06e6cd7)
: [maven-release-plugin] prepare for next development iteration
## Release 6.0.41
### dcache-core
The old web pages claim the transfer size and speed are reported in KB and KB/s, although the actually used units are KiB and KiB/s.
Reporting the correct unit is important for monitoring. This is now fixed.
### gplazma
dCache may now be configured so that the multimap `oidc` predicates
match the `sub` claim value from a specific OAuth2 Provider using the
format SUBVALUE@OP, where `OP` is the dCache-internal alias for the OP.
Existing multimap configuration continues to work, but admin is warned
to update the multimap configuration.
### Changelog 6.0.40..6.0.41
<!-- git log 6.0.40..6.0.41 -no-merges -format='[%h](https://github.com/dcache/dcache/commit/%H)%n: %s%n' -->
[d46b43d47e](https://github.com/dcache/dcache/commit/d46b43d47e628b047617aec6d9de739559469d5d)
: [maven-release-plugin] prepare release 6.0.41
[86da69764c](https://github.com/dcache/dcache/commit/86da69764c36fc8645611e1b1a7edd56d42acd2d)
: gplazma: multimap now supports OP in 'oidc' predicate
[aa304af468](https://github.com/dcache/dcache/commit/aa304af468050790ba42c9eaa20381d4d3e87db7)
: dcache-core: correct reported units of transfer size and speed
[5f6199525e](https://github.com/dcache/dcache/commit/5f6199525ef63712bea5b5bfc57777da6841099b)
: [maven-release-plugin] prepare for next development iteration
## Release 6.0.40
### xroot
Upload transfer checksum failure is fixed and the gfal scenario now works.
### Changelog 6.0.39..6.0.40
<!-- git log 6.0.39..6.0.40 -no-merges -format='[%h](https://github.com/dcache/dcache/commit/%H)%n: %s%n' -->
[c475db6733](https://github.com/dcache/dcache/commit/c475db67330ed9a584a60ff49aa6a7adfd52f640)
: [maven-release-plugin] prepare release 6.0.40
[6401fec438](https://github.com/dcache/dcache/commit/6401fec438f62b36cbbbed664451073405883ccc)
: dcache-xroot: fix upload transfer checksum failure (stable branches)
[097b8ed059](https://github.com/dcache/dcache/commit/097b8ed059dd3ba530474862152dd60c794486c3)
: [maven-release-plugin] prepare for next development iteration
## Release 6.0.39
### ftp
Globus transfer agent is now able to create symbolic links.
### pool
dCacheView now works for redirected transfers for non-anonymous data
access, provided the WebDAV door is using TLS encryption and is
configured with 'webdav.redirect.allow-https' set to 'true'.
### poolmanager
A very rare race-condition is fixed that could be triggered if a pool
completes a stage or pool-to-pool request (to satisfy a client's read
request) immediately before dying.
### webdav
dCacheView is able to view and download files when authenticated and
when the WebDAV door proxies the transfer.
### Changelog 6.0.38..6.0.39
<!-- git log 6.0.38..6.0.39 -no-merges -format='[%h](https://github.com/dcache/dcache/commit/%H)%n: %s%n' -->
[ee03f860b5](https://github.com/dcache/dcache/commit/ee03f860b5c37d0bc0c9ea5dc70460472c869f17)
: [maven-release-plugin] prepare release 6.0.39
[7dd75c6279](https://github.com/dcache/dcache/commit/7dd75c6279950a7a2dc66c0a2424a2d0f0866906)
: webdav: use Jetty's built-in support for CORS
[242c0de3e1](https://github.com/dcache/dcache/commit/242c0de3e1527913b045249ee950c2b7b2e80492)
: poolmanager: fix _waitingFor access outside of synchronized block
[a488279996](https://github.com/dcache/dcache/commit/a4882799969b178950098d87f18c49c7ffc920a1)
: ftp: add support for the SITE SYMLINK command
[89986e5055](https://github.com/dcache/dcache/commit/89986e50553dae6f3714ca13e1016ca548662d28)
: pool: http allow client to send credentials when TLS is used
[b13eb6ff0a](https://github.com/dcache/dcache/commit/b13eb6ff0aeb61c1966c7b1ccd72d7fca48a9ecd)
: [maven-release-plugin] prepare for next development iteration
## Release 6.0.38
### frontend
frontend/api readers and writers always zero issue is fixed now
### gplazma
The LDAP plugin behaviuor now more closely follows that of other mapping
plugins. This allows deployments where LDAP is tried first and, if that
fails to identify the user, fall-back strategies are used.
### Changelog 6.0.37..6.0.38
<!-- git log 6.0.37..6.0.38 -no-merges -format='[%h](https://github.com/dcache/dcache/commit/%H)%n: %s%n' -->
[23e64d4572](https://github.com/dcache/dcache/commit/23e64d4572f0e17f6cb96dcd0a9594191e0e9763)
: [maven-release-plugin] prepare release 6.0.38
[4888d19195](https://github.com/dcache/dcache/commit/4888d1919587b66b55aa77d61d48423a60f328cf)
: gplazma: ldap throw exception if no principal is added
[95140318b2](https://github.com/dcache/dcache/commit/95140318b2f7fa9e8eabe1b259d75419c061cd9a)
: poolV4: fix reader/writer counts
[b54daad652](https://github.com/dcache/dcache/commit/b54daad652920a9873d754d98d1603db26ada31e)
: [maven-release-plugin] prepare for next development iteration
## Release 6.0.37
### dcache-xroot
The cirrent release fixed memory leak, race and other small issues with reconnect to pool.
### frontend
The `dcache-view.endpoints.webdav` property now overrides any
auto-discovered WebDAV endpoint, making explicit configuration easier.
### Changelog 6.0.36..6.0.37
<!-- git log 6.0.36..6.0.37 -no-merges -format='[%h](https://github.com/dcache/dcache/commit/%H)%n: %s%n' -->
[0d48c036b9](https://github.com/dcache/dcache/commit/0d48c036b97714eb203aa195f35db3423e9d8d0e)
: [maven-release-plugin] prepare release 6.0.37
[74d80f1452](https://github.com/dcache/dcache/commit/74d80f14528a04691ecd5a158e1d412575d16dd0)
: frontend: bump version of dCacheView
[9a279d99de](https://github.com/dcache/dcache/commit/9a279d99de26e92a372f37aead05cc7d62eb79a0)
: dcache-xroot: fix memory leak, race and other small issues with reconnect to pool
[97f318309d](https://github.com/dcache/dcache/commit/97f318309d147c161723607af1a736e020295825)
: frontend: bump dCacheView to v1.6.2
[2c161c1ce5](https://github.com/dcache/dcache/commit/2c161c1ce5bb5b760580e6949539c635be5cfb12)
: [maven-release-plugin] prepare for next development iteration
## Release 6.0.36
### poolmanager
When poolmanager requests that a pool stage a file, the pool may return
the special error code HSM_DELAY_ERROR (10013). On receiving this
error, poolmanager suspends the request.
This is now fixed.
### xrootd
xrootd4j is updated to 3.5.10.
### Changelog 6.0.35..6.0.36
<!-- git log 6.0.35..6.0.36 -no-merges -format='[%h](https://github.com/dcache/dcache/commit/%H)%n: %s%n' -->
[f1244eb678](https://github.com/dcache/dcache/commit/f1244eb678c652e152779053b134b90b135887f5)
: [maven-release-plugin] prepare release 6.0.36
[e6b18058fd](https://github.com/dcache/dcache/commit/e6b18058fdf2ae2cd7a5756980b5fea5d9ccbfe2)
: dcache-xrootd: update xrootd4j to 3.5.10
[d39899ef6a](https://github.com/dcache/dcache/commit/d39899ef6ab7f8ec4fdeb608f5a21d847a8c0263)
: poolmanager: fix NPE if pool delays stage without giving a reason
[4475c907ac](https://github.com/dcache/dcache/commit/4475c907ac3f7d1b01aa66fadf10daa68f3964ec)
: [maven-release-plugin] prepare for next development iteration
## Release 6.0.35
### Changes affecting multiple services
Sometimes file checksums are missing in namespace. Transfer requiring checksum verification fails then with an error saying that "No checksums found", but doesn't log a stack trace server side anymore.
### dcache-xroot
During periods of heavy usage on a pool node, if I/O stalls during read, the xroot client may try to reconnect and continue reading. This release fixes a bug which fails the transfer on the attempted reconnect with a "uuid no longer valid" error (because the file mover has already been closed and removed). Clients should now be able to resume reading the file on retry.
### Changelog 6.0.34..6.0.35
<!-- git log 6.0.34..6.0.35 -no-merges -format='[%h](https://github.com/dcache/dcache/commit/%H)%n: %s%n' -->
[d00e4bb4ea](https://github.com/dcache/dcache/commit/d00e4bb4eafaf0c0e03062d54b8a9e8733b534d9)
: [maven-release-plugin] prepare release 6.0.35
[cc6a15092e](https://github.com/dcache/dcache/commit/cc6a15092e8a9f8325cef79970ac80ef844fdaba)
: dcache-xroot: Allow client to reattempt open on pool when I/O stalls
[69b7bd8cbd](https://github.com/dcache/dcache/commit/69b7bd8cbdfb922d0d8af8d2da46a39947dd6c4c)
: check if checksums are present and throw CacheException if they are not
[3d91b33776](https://github.com/dcache/dcache/commit/3d91b33776ffb0cc07900350775b2941de3317ec)
: [maven-release-plugin] prepare for next development iteration
## Release 6.0.34
### admin
The current release fixed doors `login dump cache` admin command to show the
information sent by the door along with the login result.
### common
Printing of bearer tokens is improved to provide better assurance that
bearer tokens are not leaked.
### gplazma
All login failures are now recoreded in pinboard as a single-line
summary, explaining why the login attempt failed.
### webdav
The current release fixed a regression where dCache would complain about badly formatted IPv6
addresses, preventing those addresses from being included in the access
log files.
The current release fixed a regression where dCache would complain about badly formatted IPv6
addresses, preventing those addresses from being included in the access
log files.
### xroot
The current relase updated xrootd4j to 4.0.5 which fixes improper use of destination token when
contacting source server during third-pary transfer.
### Changelog 6.0.33..6.0.34
<!-- git log 6.0.33..6.0.34 -no-merges -format='[%h](https://github.com/dcache/dcache/commit/%H)%n: %s%n' -->
[b34635122f](https://github.com/dcache/dcache/commit/b34635122fb940321a86da00d33b32579be78f66)
: [maven-release-plugin] prepare release 6.0.34
[865bdf8dfa](https://github.com/dcache/dcache/commit/865bdf8dfaf5debe7ccfca445489ba40f2cd5d5a)
: dcache-xroot: update to xrootd4j-4.0.5
[8c5293dab9](https://github.com/dcache/dcache/commit/8c5293dab9f2cd545eb87d942300121f7067e0b3)
: webdav/frontend: fix IPv6 address logging
[fce01957dd](https://github.com/dcache/dcache/commit/fce01957dd96d18fe8a6e53da4be228f2f3b95dc)
: common: update how BearerToken is shown in Subjects#toString
[753d5d9d48](https://github.com/dcache/dcache/commit/753d5d9d485c803ad5564e5ff8c69af9c849bfc0)
: authn: add missing hashCode and equals methods for PasswordCredential
[7a57d1e4ae](https://github.com/dcache/dcache/commit/7a57d1e4aea08fb50419b666abcfcda9cb6372d3)
: authn: fix "login dump cache" admin command output
[e82f149825](https://github.com/dcache/dcache/commit/e82f1498251414b29e1fc7e7ee518c471843117d)
: gplazma: provide single-line summary in pinboard for each login failure
[349bca2cf5](https://github.com/dcache/dcache/commit/349bca2cf5bd351b1d1dcff36bc00c24e9d89525)
: authn: log failures in UnionLoginStrategy
[39a3095843](https://github.com/dcache/dcache/commit/39a30958435bbdab4f09e856907f563f47f8fe22)
: authn: add missing hashCode and equals methods for BearerTokenCredential
[cbe4dab3e8](https://github.com/dcache/dcache/commit/cbe4dab3e853af38700c7c3ca91b0af35ca35583)
: common: Update BearerToken representation to include some information
[0c7ce71267](https://github.com/dcache/dcache/commit/0c7ce71267a1b0baa9f21f13b058336bf62d5d77)
: [maven-release-plugin] prepare for next development iteration
## Release 6.0.33
### webdav
Restarting transfermanager while there are ongoing HTTP-TPC transfers no
longer results in an endless loop, with transfermanager logging a
message every ~5 seconds per ongoing HTTP-TPC transfer.
### Changelog 6.0.32..6.0.33
<!-- git log 6.0.32..6.0.33 -no-merges -format='[%h](https://github.com/dcache/dcache/commit/%H)%n: %s%n' -->
[3be5f99a7a](https://github.com/dcache/dcache/commit/3be5f99a7ac92c75769e304c918b1c11954a5844)
: [maven-release-plugin] prepare release 6.0.33
[f6ce92b2fa](https://github.com/dcache/dcache/commit/f6ce92b2fa7454bc583d16294bc0a0a940d8c051)
: webdav-transfermanager: fail gracefully if transfermanager restarted
[274de5626e](https://github.com/dcache/dcache/commit/274de5626ef502e926936bb6344fc20acad02ceb)
: [maven-release-plugin] prepare for next development iteration
## Release 6.0.32
### biiling
The current relase fixed unit info for bandwidth measurements in billing.properties (bytes/sec, not MiB/sec).
### frontend
Frontend now logs any time it returns 500 Internal Server Error to the
client.
dcache-view Previously displayed MB/sec for transfer rate, but the
value is the old KB/sec. This is now improved and pages display the values advertised.
### pool
The current release assures now that checksum scanner wiill mark files broken and sends alarm.
### webdav
An HTTP-TPC transfer will abort automatically if transfer-manager is
restarted, without waiting for the client (FTS) to time-out.
### Changelog 6.0.31..6.0.32
<!-- git log 6.0.31..6.0.32 -no-merges -format='[%h](https://github.com/dcache/dcache/commit/%H)%n: %s%n' -->
[35e807978b](https://github.com/dcache/dcache/commit/35e807978b2904bc5a994439c9b2be4fcbfe1add)
: [maven-release-plugin] prepare release 6.0.32
[ff4c87638f](https://github.com/dcache/dcache/commit/ff4c87638f1095099d15473af1784413f62d84e3)
: dcache-pool: Assure checksum scanner marks files broken and sends alarm
[730ff2d04d](https://github.com/dcache/dcache/commit/730ff2d04db3e6099994700864688794ac11e39c)
: webdav/transfermanager: fail gracefully on restart, for perf marker
[e32207f4c1](https://github.com/dcache/dcache/commit/e32207f4c1ba9d5e2e508d5223637ad73a7202a0)
: default: fix unit info for bandwidth measurements in billing.properties
[4787b1cc0e](https://github.com/dcache/dcache/commit/4787b1cc0e18232904c9b19972edd4d51b6dcb99)
: frontend: create a log entry when we return 500 Internal Server Error
[ecde32dece](https://github.com/dcache/dcache/commit/ecde32deceba90c9e61978cd7ce86c193c596a5c)
: dcache-frontend: change transfer rate to compute what it advertised
[1bfe66ab92](https://github.com/dcache/dcache/commit/1bfe66ab925519623e527dc256b62ca65b09720b)
: [maven-release-plugin] prepare for next development iteration
## Release 6.0.31
### book
A new section is added to the xrootd chapter explaining the need for
SAN extensions on the hostcert in the case of hostname aliasing.
### ftp
Globus transfer service can now list directories that contain incomplete
files, those that are still being uploaded.
The FTP no longer leaking sockets when dynamically calculating file
checksums (e.g., MD5). In practise, this issue only affects transfers
via the Globus transfer service.
The current release fixed Globus transfer service directory listing for `medium` size
directories.
The current release fixed Globus transfers hanging when `verify file integrity after transfer`
is enabled and the pool is not configured to calculate an MD5 checksum.
Honour the `ftp.net.internal` configuration property for dynamic
checksum calculation.
### Changelog 6.0.30..6.0.31
<!-- git log 6.0.30..6.0.31 -no-merges -format='[%h](https://github.com/dcache/dcache/commit/%H)%n: %s%n' -->
[225e54085b](https://github.com/dcache/dcache/commit/225e54085bb24617a9e36e674654e8633908efda)
: [maven-release-plugin] prepare release 6.0.31
[4770615905](https://github.com/dcache/dcache/commit/4770615905431b23ee519639683745548d2231ee)
: ftp: do not leak sockets when calculating checksums dynamically
[5f7ec6adaa](https://github.com/dcache/dcache/commit/5f7ec6adaab9062ef9759c103b7eb8ac9b582f2b)
: ftp: add work-around to calculate MD5 for Globus
[db0744724b](https://github.com/dcache/dcache/commit/db0744724b766fbe82eb7e56888c129516f4dd87)
: ftp: add place-holder file size work-around for Globus directory listing
[15288cd22b](https://github.com/dcache/dcache/commit/15288cd22b8253d43e25c89959014d9a32091fa7)
: rpm take build directory path into quotes
[c1733525e2](https://github.com/dcache/dcache/commit/c1733525e24eac7e2418929467fc86fbe8e5290e)
: ftp: fix MLSC support for medium-length directories
[003133a130](https://github.com/dcache/dcache/commit/003133a1303de51d7452e43c39945b45a01a3a7b)
: ftp: fix on-the-fly checksum calculation
[e72691268c](https://github.com/dcache/dcache/commit/e72691268c878a4a840e3c2304375c8af70bdd43)
: book: document host alias issue with xroot TPC
[02e2b57299](https://github.com/dcache/dcache/commit/02e2b57299af246d65507a1e16ae4411903f9fec)
: [maven-release-plugin] prepare for next development iteration
## Release 6.0.30
### pool
The current release fixed a problem where redirected transfers involving the client uses
HTTPS when communicating directly with the pool would fail under
moderate-to-heavy load.
### services
Recovery processe in the case where a pool's message queue is overloaded,
as old (and now useless) requests may be simply discarded is improved.
### webdav
There were reports of the access log file missing entries. This problem
seems to be triggered if the client disconnects before dCache has
finished processing the request, which is certainly true for cancelled
HTTP-TPC transfers. This is now fixed.
### xrootd
The xroot protocol access log entries for the xrootd door and pool have
been enhanced to include information about the kXR_query requests.
### Changelog 6.0.29..6.0.30
<!-- git log 6.0.29..6.0.30 -no-merges -format='[%h](https://github.com/dcache/dcache/commit/%H)%n: %s%n' -->
[f984cc20f0](https://github.com/dcache/dcache/commit/f984cc20f09cc007b836e7c7febbbc9e6a7c6787)
: [maven-release-plugin] prepare release 6.0.30
[9cd191c748](https://github.com/dcache/dcache/commit/9cd191c7485aa9a7a83c8f11c04caf99aeb09da0)
: pom: fix release branch name
[5778be0325](https://github.com/dcache/dcache/commit/5778be0325a3064f588785b3f81db8fdd6d9d637)
: prepare for next development iteration
[d70e594ae9](https://github.com/dcache/dcache/commit/d70e594ae907275d203ee38296c7c6718ddff398)
: TransferManager: choose better pool query message TTL
[146e55d202](https://github.com/dcache/dcache/commit/146e55d202c383ce053166495b4741c1623af3c8)
: webdav/frontend: ensure cancelled HTTP-TPC transfers are logged
[2625c3709e](https://github.com/dcache/dcache/commit/2625c3709ec01b0bde4f88b7e045f01152ef1247)
: xrootd/pool: improve access log to record more details of kXR_query
[14deee45a0](https://github.com/dcache/dcache/commit/14deee45a02e80538c1549d3c329024eabdcf37e)
: pool: fix HTTPS support under heavy load
## Release 6.0.29
The current release fixes EGI-SVG-2020-16939 vulnerabilities.
## Release 6.0.28
### xrootd
The xrootd4j version was updated to 3.5.8.
### Changelog 6.0.27..6.0.28
<!-- git log 6.0.27..6.0.28 -no-merges -format='[%h](https://github.com/dcache/dcache/commit/%H)%n: %s%n' -->
[d647526b1f](https://github.com/dcache/dcache/commit/d647526b1f5b9b3e3ddcfa5dd432dfc3a76c2526)
: [maven-release-plugin] prepare release 6.0.28
[42a2d62d79](https://github.com/dcache/dcache/commit/42a2d62d79fd20f4bc79fa921bd67ada630cec68)
: pom: update xrootd4j to 3.5.8
[5f17f7552c](https://github.com/dcache/dcache/commit/5f17f7552c6c4498ef9d1ed530e9a6842afbf6a4)
: [maven-release-plugin] prepare for next development iteration
## Release 6.0.27
### pool
The mover thread is not interrupted outside of IO activity to avoid disabling of repository.
HTTP-TPC transfers where dCache pushes data to an Apache server (for example as used by Dynafed) will now work for zero-length files.
### webdav
HTTPS-PUT requests are now possible.
### Changelog 6.0.26..6.0.27
<!-- git log 6.0.26..6.0.27 -no-merges -format='[%h](https://github.com/dcache/dcache/commit/%H)%n: %s%n' -->
[7045cbd023](https://github.com/dcache/dcache/commit/7045cbd023cc93baaad5b788fc9e1bec099bbc8e)
: [maven-release-plugin] prepare release 6.0.27
[dc91e503c8](https://github.com/dcache/dcache/commit/dc91e503c8942157b29d5354a0a3fd53711da1a1)
: pool: http-tpc do not loop if HEAD 'Content-Length' response is missing
[c7f59c4136](https://github.com/dcache/dcache/commit/c7f59c4136ea95b78dc6b80b4ccde3be1f941002)
: webdav:HTTPS PUT req issue
[772dfb4d70](https://github.com/dcache/dcache/commit/772dfb4d700abb666e3ec20f5a4be9e178fcca8d)
: pool: preserve CDC on p2p transfer
[03f76b3825](https://github.com/dcache/dcache/commit/03f76b38259a86b535db4bffca5986118575ae61)
: pool: http-tpc drop 'Accept-Encoding' on HEAD requests
[104e1f3d29](https://github.com/dcache/dcache/commit/104e1f3d29e8544746fa56651dcca42fdfb759d5)
: pool: detach IO thread when mover finished
[60ceb8f322](https://github.com/dcache/dcache/commit/60ceb8f322f7eee9689bee7a7de715f4654211fc)
: [maven-release-plugin] prepare for next development iteration
## Release 6.0.26
### pool
dCache pools now support GSI-based xrootd-TPC by default.
### Changelog 6.0.25..6.0.26
<!-- git log 6.0.25..6.0.26 -no-merges -format='[%h](https://github.com/dcache/dcache/commit/%H)%n: %s%n' -->
[426663d3bb](https://github.com/dcache/dcache/commit/426663d3bb60fd78d48ef18847901ae93eb5d332)
: [maven-release-plugin] prepare release 6.0.26
[94f963b84b](https://github.com/dcache/dcache/commit/94f963b84b5f50d4ec7133a734fdb0553c97c50c)
: pool: update xrootd-tpc authenication default
[76aada58de](https://github.com/dcache/dcache/commit/76aada58de9a6bce8c653ec8c889f2555b619bb1)
: [maven-release-plugin] prepare for next development iteration
## Release 6.0.25
### enstore
Enstore storage info provides works with URI based tape locations now.
### pool
The HTTP-TPC PUSH requests (which use the HTTP PUT request to send data)
are now more robust against slow remote servers that redirect the
transfer.
The current release fixed NullPointerException bug in MongoDB-backed pool metadata storage
and SpotBugs NORMAL-level warning.
With the chenges introduced in current release, when using HTTP-TPC, the timeouts dCache pool uses when requesting
information from the remote server have been adjusted, based on
operational experience. In general, dCache will now wait longer for the
remote server to complete any post-processing before giving up and
failing the transfer.
### Changelog 6.0.24..6.0.25
<!-- git log 6.0.24..6.0.25 -no-merges -format='[%h](https://github.com/dcache/dcache/commit/%H)%n: %s%n' -->
[32d890de2a](https://github.com/dcache/dcache/commit/32d890de2ad3022c59089605be0cb73bb1f9e83c)
: [maven-release-plugin] prepare release 6.0.25
[6721d7ec5e](https://github.com/dcache/dcache/commit/6721d7ec5ecd706e7a7d7661776f9badaadb6527)
: chimera: update EnstoreStorageInfoExtractor to use FileState
[328a8c2161](https://github.com/dcache/dcache/commit/328a8c2161aaabb1a2f2912a3ae8e2a6d2d4b62c)
: chimera: use UTF-8 constant instead of string in ChimeraEnstoreStorageInfoExtractor
[d1d5ebb0b6](https://github.com/dcache/dcache/commit/d1d5ebb0b6deb71951fa78efc69f7f7619813ac8)
: enstore: populate the correct storage info information on set
[9b2df0fd20](https://github.com/dcache/dcache/commit/9b2df0fd20b9fd6be3df0e38dc216ae3cd596e32)
: pool: http-tpc adjust GET and HEAD request timeouts
[62b036ae01](https://github.com/dcache/dcache/commit/62b036ae0124814606ff4750ab258aa5b8f0500f)
: libs: use mockito 3.2.4, powermock 2.0.4 and hamcrest 2.2
[c562e7b129](https://github.com/dcache/dcache/commit/c562e7b1293733de7d2ac2ad678f35c7ae970173)
: pool: http-tpc PUT request are repeatable
[6f0ca2134f](https://github.com/dcache/dcache/commit/6f0ca2134fda5a271135901fbcefa04b8f34c65f)
: pool: support removing MongoDB storage-info entry
[ca20fb6433](https://github.com/dcache/dcache/commit/ca20fb64336533c4cda6ab43d5c2384a5cd0255a)
: [maven-release-plugin] prepare for next development iteration
## Release 6.0.24
### chimera
Filenames containing brackets are no longer treated as magic dot files.
### dcap
Sometimes file restores on dCap door were hanging. This is now fixed.
### Changelog 6.0.23..6.0.24
<!-- git log 6.0.23..6.0.24 -no-merges -format='[%h](https://github.com/dcache/dcache/commit/%H)%n: %s%n' -->
[3290aa5e2e](https://github.com/dcache/dcache/commit/3290aa5e2eeaa8fdcb857610da809a646573eb07)
: [maven-release-plugin] prepare release 6.0.24
[a1ffd1e783](https://github.com/dcache/dcache/commit/a1ffd1e78323455e151f794604091361ff23d848)
: [maven-release-plugin] prepare for next development iteration
[bf0273dc3d](https://github.com/dcache/dcache/commit/bf0273dc3d4966473a16063c3a0aeb5d2bd8e884)
: dcap: fix automatic door retry on transient errors
[564da3a027](https://github.com/dcache/dcache/commit/564da3a027a66fb56bfdcafb6c1e8b3a16c03ded)
: chimera: fix dot file parser to handle weird file names
## Release 6.0.23
### gplazma
X.509 certificates that use the "SHA-384 with RSA" algorithm are now
logged with this name instead of the raw OID value.
### httpd
The current release fix pool usage color scheme css used for UsageInto and PoolInfo pages.
### pool
dCache pools that are undertaking HTTP-TPC transfers will now wait
longer for the remote servers to complete any post-transfer activity.
Transfers that involve heavily loaded remote servers are now more likely
to succeed.
### Changelog 6.0.22..6.0.23
<!-- git log 6.0.22..6.0.23 -no-merges -format='[%h](https://github.com/dcache/dcache/commit/%H)%n: %s%n' -->
[508fb085c2](https://github.com/dcache/dcache/commit/508fb085c258dbb5e821b81c24ece6ef2344ffff)
: [maven-release-plugin] prepare release 6.0.23
[236e385bd3](https://github.com/dcache/dcache/commit/236e385bd391955f54ee4b6ffda3b47a88cec827)
: pool: http-tpc increase timeout waiting for remote server post-processing
[bd9147d19c](https://github.com/dcache/dcache/commit/bd9147d19c49c8501539aa8040b596a9c1646cef)
: gplazma: include additional algorithm in LoginResultPrinter
[774b674fd2](https://github.com/dcache/dcache/commit/774b674fd2d0f7f34084589c09c5a0ecaac21d4a)
: httpd: fix pool usage color scheme css
[dfa3e8f3a4](https://github.com/dcache/dcache/commit/dfa3e8f3a48ab8f1a63013fc84be2df54c8168c2)
: [maven-release-plugin] prepare for next development iteration
## Release 6.0.22
### nfs
The current release fixed previously observed infinite WRITE+COMMIT loop.
### Changelog 6.0.21..6.0.22
<!-- git log 6.0.21..6.0.22 -no-merges -format='[%h](https://github.com/dcache/dcache/commit/%H)%n: %s%n' -->
[046e32aa7d](https://github.com/dcache/dcache/commit/046e32aa7d797a63480eb43e2e2f5b3b03a8bef5)
: [maven-release-plugin] prepare release 6.0.22
[18f2c91e4e](https://github.com/dcache/dcache/commit/18f2c91e4e1143f1b06d4bc27c6bc8e7ef55f8ea)
: nfs-proxy: op WRITE must use the same verifier as COMMIT
[31e8877b0d](https://github.com/dcache/dcache/commit/31e8877b0d35f9ef6ef8676e011b7e98deb016e5)
: [maven-release-plugin] prepare for next development iteration
## Release 6.0.21
### dcache
There have been several occasions where in a dCache instance using an embedded ZooKeeper server such HA services stopped working because
an ephemeral node was elected leader that has no associated service anymore; it should have been deleted.
This state might go undetected for a longer time, and removing such stale nodes in order for the services to continue functioning as intended requires manual intervention.
This is fixed now and the functioning of HA services using ZooKeeper-based leader elections is more reliable.
### resilience
A more robust handling of PSU changes which remove pool, unit or group
mappings was introduced.
Recently introduced improvements changed the way resilience handles file "removal"
(no longer setting the repository entry to 'removed'
but simply by caching the replica).
This change, however, did not take into account
the handling of broken files. Encountering
a broken file, it would indiscriminately attempt
to remove it, whether it was cached or not;
this was leading to an infinite loop, with the
file operation continuously iterating without
doing any further work. This situation could potentially hang the pool scans
(if there are as many broken files as there are
scan threads), and even the file operation
queue. The current release fixed this issue and there is no any potential for stalled
operations when encountering broken replicas.
### Changelog 6.0.20..6.0.21
<!-- git log 6.0.20..6.0.21 -no-merges -format='[%h](https://github.com/dcache/dcache/commit/%H)%n: %s%n' -->
[bad12d5861](https://github.com/dcache/dcache/commit/bad12d586169076aa72eb4731634b49d977c66e4)
: [maven-release-plugin] prepare release 6.0.21
[0757b10d5a](https://github.com/dcache/dcache/commit/0757b10d5a0d24aa9aac7b6cd0e6b7aad4f7d291)
: dcache-core: fix embedded ZooKeeper persisting stale ephemeral nodes
[e314716e5f](https://github.com/dcache/dcache/commit/e314716e5fce4f65557ddb15a463b86f7fcaab22)
: dcache-resilience: ignore broken cached files
[3b4a535cf5](https://github.com/dcache/dcache/commit/3b4a535cf535fa156e28a69a30657dc86ed47414)
: dcache-resilience: protect access of pool info map against NoSuchElementException
[7770b37768](https://github.com/dcache/dcache/commit/7770b377684a0b72091f60008da18e4732a5179a)
: [maven-release-plugin] prepare for next development iteration
## Release 6.0.20
### macaroons
Fixed macaroons validation where in case of multiple combined caveats for some of them only the digital signature was checked.
### resilience
If a FileOperation is canceled while its subtask is running a NullPointerException was thrown. This is now fixed.
### Changelog 6.0.19..6.0.20
<!-- git log 6.0.19..6.0.20 -no-merges -format='[%h](https://github.com/dcache/dcache/commit/%H)%n: %s%n' -->
[0b4e7d1fa6](https://github.com/dcache/dcache/commit/0b4e7d1fa670cf2942a59466d037c51516ef7489)
: [maven-release-plugin] prepare release 6.0.20
[eff9c3f075](https://github.com/dcache/dcache/commit/eff9c3f075bc8b63cd0820e0a5dbbdc029853ae7)
: dcache-resilience: avoid NPE in file operation cancel
[bc17f5eadd](https://github.com/dcache/dcache/commit/bc17f5eaddcadcb018087944559ef4f535f43b98)
: macaroons: verifyCaveat should return false for unprocessed caveats