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https://issues.apache.org/jira/browse/HBASE-23892?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wellington Chevreuil resolved HBASE-23892.
------------------------------------------
Resolution: Fixed
Committed to master, then cherry-picked into branch-2 and branch-2.2.
> SecureTestCluster should allow its subclasses to pass their Class reference
> on HBaseKerberosUtils.setSSLConfiguration
> ---------------------------------------------------------------------------------------------------------------------
>
> Key: HBASE-23892
> URL: https://issues.apache.org/jira/browse/HBASE-23892
> Project: HBase
> Issue Type: Bug
> Affects Versions: 3.0.0, 2.3.0, 2.2.3
> Reporter: Wellington Chevreuil
> Assignee: Wellington Chevreuil
> Priority: Major
> Fix For: 3.0.0, 2.3.0, 2.2.4
>
>
> Was working on a third party project that relies on hbase-server as a
> dependency and defines a UT class that extends *SecureTestCluster*. In this
> project, hbase-server jar is added on the test classpath, and it relies on
> *KeyStoreTestUtil* to decide where to place related ssl files. Current
> *KeyStoreTestUtil* code assumes related class files would be under an
> existing local FS path, but when those are loaded from a jar, related class
> URI path returns null and causes an NPE that errors out the test execution.
>
> The test code in this case extends *SecureTestCluster*, so when
> *SecureTestCluster.setup* runs, it calls
> *HBaseKerberosUtils.setSSLConfiguration* passing its own class reference
> [here|https://github.com/apache/hbase/blob/master/hbase-server/src/test/java/org/apache/hadoop/hbase/security/token/SecureTestCluster.java#L72].
> **
> *HBaseKerberosUtils.setSSLConfiguration*, in turn, calls
> *KeyStoreTestUtil.getClasspathDir*
> [here|https://github.com/apache/hbase/blob/master/hbase-server/src/test/java/org/apache/hadoop/hbase/security/HBaseKerberosUtils.java#L173].
> *KeyStoreTestUtil.getClasspathDir* uses the passed class reference name to
> look for its related resource in the class loader. [This
> line|https://github.com/apache/hbase/blob/master/hbase-http/src/test/java/org/apache/hadoop/hbase/http/ssl/KeyStoreTestUtil.java#L58]
> returns an URL value as follows, when the passed class reference resource
> resides on jar file in the class loader (instead of being in a valid local FS
> path):
> {{jar:file:/Users/wellingtonchevreuil/.m2/repository/org/apache/hbase/hbase-server/2.2.3./hbase-server-2.2.3-tests.jar!/org/apache/hadoop/hbase/security/token/SecureTestCluster.class}}
> This causes [subsequent
> line|https://github.com/apache/hbase/blob/master/hbase-http/src/test/java/org/apache/hadoop/hbase/http/ssl/KeyStoreTestUtil.java#L59]
> calling {{url.toURI().getPath()}} to return null, then we get the NPE thrown
> in the following line, and the test errors out:
> {{java.lang.NullPointerException at
> org.apache.hadoop.hbase.http.ssl.KeyStoreTestUtil.getClasspathDir(KeyStoreTestUtil.java:59)
> at
> org.apache.hadoop.hbase.security.HBaseKerberosUtils.setSSLConfiguration(HBaseKerberosUtils.java:173)
> at
> org.apache.hadoop.hbase.security.token.SecureTestCluster.setUp(SecureTestCluster.java:74)
> at
> com.cloudera.hbase.security.token.TestCldrManualDelegationToken.setUp(TestCldrManualDelegationToken.java:168)
> 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$1.runReflectiveCall(FrameworkMethod.java:50)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
> at
> org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:24)
> at
> org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
> at
> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:298)
> at
> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:292)
> at java.util.concurrent.FutureTask.run$$$capture(FutureTask.java:266) at
> java.util.concurrent.FutureTask.run(FutureTask.java) at
> java.lang.Thread.run(Thread.java:748}}
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