[HDDS-823] OzoneRestClient is failing with NPE on getKeyDetails call

• Type: Bug
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 0.3.0
• Fix Version/s: 0.3.0, 0.4.0
• Component/s: Ozone Client
• Target Version/s: 0.3.0, 0.4.0
• Assignee: Bharat Viswanadham
• Reporter: Nandakumar
• Created: 08/Nov/18 12:08
• Updated: 09/Nov/18 05:45
• Resolved: 09/Nov/18 05:29

Description

RestClient#getKeyDetails is failing with NullPointerException which is causing few of unit test and smoke test to fail.
Exception trace:

Error while calling command (org.apache.hadoop.ozone.web.ozShell.keys.InfoKeyHandler@13713486): java.lang.NullPointerException
	at picocli.CommandLine.execute(CommandLine.java:926)
	at picocli.CommandLine.access$700(CommandLine.java:104)
	at picocli.CommandLine$RunLast.handle(CommandLine.java:1083)
	at picocli.CommandLine$RunLast.handle(CommandLine.java:1051)
	at picocli.CommandLine$AbstractParseResultHandler.handleParseResult(CommandLine.java:959)
	at picocli.CommandLine.parseWithHandlers(CommandLine.java:1242)
	at org.apache.hadoop.ozone.ozShell.TestOzoneShell.execute(TestOzoneShell.java:259)
	at org.apache.hadoop.ozone.ozShell.TestOzoneShell.testInfoDirKey(TestOzoneShell.java:1013)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
	at org.junit.internal.runners.statements.FailOnTimeout$StatementThread.run(FailOnTimeout.java:74)
Caused by: java.lang.NullPointerException
	at org.apache.hadoop.ozone.client.rest.RestClient.getKeyDetails(RestClient.java:817)
	at org.apache.hadoop.ozone.client.OzoneBucket.getKey(OzoneBucket.java:282)
	at org.apache.hadoop.ozone.web.ozShell.keys.InfoKeyHandler.call(InfoKeyHandler.java:65)
	at org.apache.hadoop.ozone.web.ozShell.keys.InfoKeyHandler.call(InfoKeyHandler.java:37)
	at picocli.CommandLine.execute(CommandLine.java:919)
	... 18 more