SftpIntegrationTest fails on IBM JDK

[jamesnetherton]

Connecting to the embedded sshd test server fails with:

Caused by: org.apache.camel.component.file.GenericFileOperationFailedException: Cannot connect to sftp://admin@localhost:21000
    at org.apache.camel.component.file.remote.SftpOperations.connect(SftpOperations.java:146)
    at org.apache.camel.component.file.remote.RemoteFileProducer.connectIfNecessary(RemoteFileProducer.java:209)
    at org.apache.camel.component.file.remote.RemoteFileProducer.recoverableConnectIfNecessary(RemoteFileProducer.java:201)
    at org.apache.camel.component.file.remote.RemoteFileProducer.preWriteCheck(RemoteFileProducer.java:133)
    at org.apache.camel.component.file.GenericFileProducer.processExchange(GenericFileProducer.java:113)
    at org.apache.camel.component.file.remote.RemoteFileProducer.process(RemoteFileProducer.java:58)
    at org.apache.camel.util.AsyncProcessorConverterHelper$ProcessorToAsyncProcessorBridge.process(AsyncProcessorConverterHelper.java:61)
    at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:190)
    at org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:109)
    at org.apache.camel.processor.UnitOfWorkProducer.process(UnitOfWorkProducer.java:68)
    at org.apache.camel.impl.ProducerCache$2.doInProducer(ProducerCache.java:412)
    at org.apache.camel.impl.ProducerCache$2.doInProducer(ProducerCache.java:380)
    at org.apache.camel.impl.ProducerCache.doInProducer(ProducerCache.java:270)
    at org.apache.camel.impl.ProducerCache.sendExchange(ProducerCache.java:380)
    at org.apache.camel.impl.ProducerCache.send(ProducerCache.java:221)
    at org.apache.camel.impl.DefaultProducerTemplate.send(DefaultProducerTemplate.java:124)
    at org.apache.camel.impl.DefaultProducerTemplate.sendBodyAndHeader(DefaultProducerTemplate.java:163)
    ... 144 more
Caused by: com.jcraft.jsch.JSchException: verify: false
    at com.jcraft.jsch.Session.connect(Session.java:330)
    at org.apache.camel.component.file.remote.SftpOperations.connect(SftpOperations.java:118)
    ... 160 more