fix: support for websphere 8.5(IBM jvm 1.7) #1840
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qxo
commented
Jul 3, 2021
qxo
commented
hengyunabc
reviewed
Jul 3, 2021
core/src/main/java/com/taobao/arthas/core/util/SearchUtils.java
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```
java.lang.NullPointerException: null
at com.taobao.arthas.core.util.SearchUtils.searchClass(SearchUtils.java:34)
at com.taobao.arthas.core.util.SearchUtils.searchClass(SearchUtils.java:45)
at com.taobao.arthas.core.util.SearchUtils.searchClass(SearchUtils.java:51)
at com.taobao.arthas.core.util.SearchUtils.searchClass(SearchUtils.java:55)
at com.taobao.arthas.core.command.klass100.SearchClassCommand.process(SearchClassCommand.java:128)
at com.taobao.arthas.core.shell.command.impl.AnnotatedCommandImpl.process(AnnotatedCommandImpl.java:82)
at com.taobao.arthas.core.shell.command.impl.AnnotatedCommandImpl.access$100(AnnotatedCommandImpl.java:18)
at com.taobao.arthas.core.shell.command.impl.AnnotatedCommandImpl$ProcessHandler.handle(AnnotatedCommandImpl.java:111)
at com.taobao.arthas.core.shell.command.impl.AnnotatedCommandImpl$ProcessHandler.handle(AnnotatedCommandImpl.java:108)
at com.taobao.arthas.core.shell.system.impl.ProcessImpl$CommandProcessTask.run(ProcessImpl.java:385)
```
```
java.lang.NullPointerException: null
at java.lang.Class.isAssignableFrom(Native Method)
at com.taobao.arthas.core.util.SearchUtils.searchSubClass(SearchUtils.java:119)
at com.taobao.arthas.core.util.SearchUtils.searchClass(SearchUtils.java:55)
at com.taobao.arthas.core.util.SearchUtils.searchClass(SearchUtils.java:63)
at com.taobao.arthas.core.command.klass100.SearchClassCommand.process(SearchClassCommand.java:97)
at com.taobao.arthas.core.shell.command.impl.AnnotatedCommandImpl.process(AnnotatedCommandImpl.java:82)
at com.taobao.arthas.core.shell.command.impl.AnnotatedCommandImpl.access$100(AnnotatedCommandImpl.java:18)
at com.taobao.arthas.core.shell.command.impl.AnnotatedCommandImpl$ProcessHandler.handle(AnnotatedCommandImpl.java:111)
at com.taobao.arthas.core.shell.command.impl.AnnotatedCommandImpl$ProcessHandler.handle(AnnotatedCommandImpl.java:108)
at com.taobao.arthas.core.shell.system.impl.ProcessImpl$CommandProcessTask.run(ProcessImpl.java:385)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:483)
```
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