[maven extension] Exception if OTLP Exporter not configured properly #93
Description
Description
NullPointerException if OTLP Exporter endpoint is not set.
[ERROR] Internal error: java.lang.NullPointerException -> [Help 1] org.apache.maven.InternalErrorException: Internal error: java.lang.NullPointerException at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:120) at org.apache.maven.cli.MavenCli.execute (MavenCli.java:957) at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:289) at org.apache.maven.cli.MavenCli.main (MavenCli.java:193) at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method) at jdk.internal.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62) at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke (Method.java:566) at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launcher.java:282) at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:225) at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:406) at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:347) Caused by: java.lang.NullPointerException at io.opentelemetry.maven.OpenTelemetrySdkService.getPropagators (OpenTelemetrySdkService.java:188) at io.opentelemetry.maven.OtelExecutionListener.sessionStarted (OtelExecutionListener.java:80) at io.opentelemetry.maven.ChainedExecutionListener.sessionStarted (ChainedExecutionListener.java:38) at org.apache.maven.lifecycle.internal.DefaultExecutionEventCatapult.fire (DefaultExecutionEventCatapult.java:61) at org.apache.maven.lifecycle.internal.DefaultExecutionEventCatapult.fire (DefaultExecutionEventCatapult.java:42) at org.apache.maven.lifecycle.internal.LifecycleStarter.execute (LifecycleStarter.java:74) at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:305) at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192) at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105) at org.apache.maven.cli.MavenCli.execute (MavenCli.java:957) at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:289) at org.apache.maven.cli.MavenCli.main (MavenCli.java:193) at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0 (Native Method) at jdk.internal.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:62) at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke (Method.java:566) at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced (Launcher.java:282) at org.codehaus.plexus.classworlds.launcher.Launcher.launch (Launcher.java:225) at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode (Launcher.java:406) at org.codehaus.plexus.classworlds.launcher.Launcher.main (Launcher.java:347) [ERROR] [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch. [ERROR] Re-run Maven using the -X switch to enable full debug logging. [ERROR] [ERROR] For more information about the errors and possible solutions, please read the following articles: [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/InternalErrorException Steps to reproduce
Run a Maven build with mvn -Dmaven.ext.class.path={path}/opentelemetry-maven-extension-1.7.0-SNAPSHOT.jar verify
Expectation
Build runs but doesn't capture/export traces
What applicable config did you use?
Only what was on the above command line.
Relevant Environment Information
Version: 1.7.0-SNAPSHOT
OS: macOS 11.4
Compiler (if manually compiled): AdoptOpenJDK-11.0.11+9
Additional context