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https://issues.apache.org/jira/browse/HDFS-13358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16724368#comment-16724368
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Íñigo Goiri commented on HDFS-13358:
------------------------------------
I'm seeing an issue with the unit tests though.
Most tests run without security or ZooKeeper enabled.
In that case, I can see that it still tries to start the
{{ZKDelegationTokenSecretManagerImpl}}.
{code}
2018-12-18 10:40:12,106 [main] ERROR router.FederationUtil
(FederationUtil.java:newSecretManager(150)) - Could not instantiate:
ZKDelegationTokenSecretManagerImpl
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at
org.apache.hadoop.hdfs.server.federation.router.FederationUtil.newSecretManager(FederationUtil.java:146)
at
org.apache.hadoop.hdfs.server.federation.router.security.RouterSecurityManager.<init>(RouterSecurityManager.java:50)
at
org.apache.hadoop.hdfs.server.federation.router.RouterRpcServer.<init>(RouterRpcServer.java:254)
at
org.apache.hadoop.hdfs.server.federation.router.Router.createRpcServer(Router.java:322)
at
org.apache.hadoop.hdfs.server.federation.router.Router.serviceInit(Router.java:181)
at
org.apache.hadoop.service.AbstractService.init(AbstractService.java:164)
at
org.apache.hadoop.hdfs.server.federation.router.TestRouterSafemode.setup(TestRouterSafemode.java:97)
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.RunBefores.evaluate(RunBefores.java:24)
at
org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
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.runners.ParentRunner.run(ParentRunner.java:309)
at
org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:365)
at
org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:273)
at
org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:238)
at
org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:159)
at
org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:379)
at
org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:340)
at
org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:125)
at
org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:413)
Caused by: java.lang.NullPointerException: Zookeeper connection string cannot
be null
at
com.google.common.base.Preconditions.checkNotNull(Preconditions.java:208)
at
org.apache.hadoop.security.token.delegation.ZKDelegationTokenSecretManager.<init>(ZKDelegationTokenSecretManager.java:158)
at
org.apache.hadoop.hdfs.server.federation.router.security.token.ZKDelegationTokenSecretManagerImpl.<init>(ZKDelegationTokenSecretManagerImpl.java:39)
... 39 more
{code}
Everything keeps working but I think we should handle it.
> RBF: Support for Delegation Token (RPC)
> ---------------------------------------
>
> Key: HDFS-13358
> URL: https://issues.apache.org/jira/browse/HDFS-13358
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Sherwood Zheng
> Assignee: CR Hota
> Priority: Major
> Attachments: HDFS-13358-HDFS-13891.001.patch,
> HDFS-13358-HDFS-13891.002.patch, HDFS-13358-HDFS-13891.003.patch, RBF_
> Delegation token design.pdf
>
>
> HDFS Router should support issuing / managing HDFS delegation tokens.
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