Falko Modler created CXF-8184:
---------------------------------
Summary: cxf-codegen-plugin fails sporadically with
FOUND_NO_FRONTEND: NPE in AbstractToolContainer
Key: CXF-8184
URL: https://issues.apache.org/jira/browse/CXF-8184
Project: CXF
Issue Type: Bug
Components: Tooling
Affects Versions: 3.0.16
Environment: Apache Maven 3.6.2
(40f52333136460af0dc0d7232c0dc0bcf0d9e117; 2019-08-27T17:06:16+02:00)
Maven home: /opt/apache-maven-3.6.2
Java version: 1.8.0_231, vendor: Oracle Corporation, runtime:
/opt/jdk1.8.0_231-CCS/jre
Default locale: en_US, platform encoding: UTF-8
OS name: "linux", version: "3.10.0-1062.9.1.el7.x86_64", arch: "amd64", family:
"unix"
Reporter: Falko Modler
>From time to time the plugin fails with:
{noformat}
[ERROR] Failed to execute goal
org.apache.cxf:cxf-codegen-plugin:3.0.16:wsdl2java (default) on project
some-project: Execution default of goal
org.apache.cxf:cxf-codegen-plugin:3.0.16:wsdl2java failed: FOUND_NO_FRONTEND ->
[Help 1]
{noformat}
{noformat:title=Further up in the log}
java.lang.NullPointerException
at
org.apache.cxf.tools.common.toolspec.AbstractToolContainer.getBus(AbstractToolContainer.java:196)
at
org.apache.cxf.tools.wsdlto.WSDLToJavaContainer.processWsdl(WSDLToJavaContainer.java:195)
at
org.apache.cxf.tools.wsdlto.WSDLToJavaContainer.execute(WSDLToJavaContainer.java:164)
at
org.apache.cxf.tools.wsdlto.WSDLToJavaContainer.execute(WSDLToJavaContainer.java:412)
at
org.apache.cxf.tools.common.toolspec.ToolRunner.runTool(ToolRunner.java:105)
at org.apache.cxf.tools.wsdlto.WSDLToJava.run(WSDLToJava.java:113)
at org.apache.cxf.tools.wsdlto.WSDLToJava.run(WSDLToJava.java:86)
at
org.apache.cxf.maven_plugin.wsdl2java.WSDL2JavaMojo.generate(WSDL2JavaMojo.java:427)
at
org.apache.cxf.maven_plugin.AbstractCodegenMoho.execute(AbstractCodegenMoho.java:321)
at
org.apache.cxf.maven_plugin.wsdl2java.WSDL2JavaMojo.execute(WSDL2JavaMojo.java:524)
at
org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:137)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:210)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:156)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:148)
at
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:117)
at
org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call(MultiThreadedBuilder.java:190)
at
org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call(MultiThreadedBuilder.java:186)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
{noformat}
Looking at the
[code|https://github.com/apache/cxf/blob/cxf-3.0.16/tools/common/src/main/java/org/apache/cxf/tools/common/toolspec/AbstractToolContainer.java#L196],
it seems that the {{OASISCatalogManager}} bus extension is null.
Please note that we use the parallel Maven build feature (-T) and we don't use
the fork mode (which slows everything down considerably).
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