David Han created KNOX-3535:
-------------------------------
Summary: DefaultTopologyServiceTest failure
Key: KNOX-3535
URL: https://issues.apache.org/jira/browse/KNOX-3535
Project: Apache Knox
Issue Type: Bug
Components: Server
Affects Versions: 3.1.0
Reporter: David Han
Assignee: David Han
Fix For: 3.1.0
DefaultTopologyServiceTest.testDeployTopologyPersistsReloadableListener fails
when building gateway-server.
{code}
mvn -Drat.skip clean install -pl :gateway-server
{code}
Here's the resulting error
{code}
[ERROR] Tests run: 14, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.060
s <<< FAILURE! -- in
org.apache.knox.gateway.services.topology.DefaultTopologyServiceTest
[ERROR]
org.apache.knox.gateway.services.topology.DefaultTopologyServiceTest.testDeployTopologyPersistsReloadableListener
-- Time elapsed: 0 s <<< ERROR!
java.lang.NullPointerException: Cannot invoke
"org.apache.knox.gateway.topology.ClusterConfigurationMonitorService.addListener(org.apache.knox.gateway.topology.discovery.ClusterConfigurationMonitor$ConfigurationChangeListener)"
because "ccms" is null
at
org.apache.knox.gateway.services.topology.impl.DefaultTopologyService.init(DefaultTopologyService.java:652)
at
org.apache.knox.gateway.services.topology.DefaultTopologyServiceTest.testDeployTopologyPersistsReloadableListener(DefaultTopologyServiceTest.java:925)
at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:569)
at
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
at
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
at
org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)
at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
at org.junit.runners.Suite.runChild(Suite.java:128)
at org.junit.runners.Suite.runChild(Suite.java:27)
at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
at org.apache.maven.surefire.junitcore.JUnitCore.run(JUnitCore.java:49)
at
org.apache.maven.surefire.junitcore.JUnitCoreWrapper.createRequestAndRun(JUnitCoreWrapper.java:120)
at
org.apache.maven.surefire.junitcore.JUnitCoreWrapper.executeEager(JUnitCoreWrapper.java:95)
at
org.apache.maven.surefire.junitcore.JUnitCoreWrapper.execute(JUnitCoreWrapper.java:75)
at
org.apache.maven.surefire.junitcore.JUnitCoreWrapper.execute(JUnitCoreWrapper.java:69)
at
org.apache.maven.surefire.junitcore.JUnitCoreProvider.invoke(JUnitCoreProvider.java:146)
at
org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:385)
at
org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:162)
at
org.apache.maven.surefire.booter.ForkedBooter.run(ForkedBooter.java:507)
at
org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:495)
{code}
The test succeeds when running only the DefaultTopologyServiceTest
{code}
mvn -DskipTests=false -Drat.skip clean install -pl :gateway-server
-Dtest=DefaultTopologyServiceTest
{code}
The problem is that some other test class is leaving the static
GatewayServer.services field populated. Other tests in
DefaultTopologyServiceTest set and unset GatewayServer.service so they were
unaffected by this problem.
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