Running mvn package in docker gets an error

Created by: meganemura
Description

In current master (5711985a), ./run-in-docker.sh mvn package raises following error.
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary for openapi-generator-project 3.3.3-SNAPSHOT:
[INFO]
[INFO] openapi-generator-project .......................... SUCCESS [  8.444 s]
[INFO] openapi-generator (core library) ................... FAILURE [ 24.749 s]
[INFO] openapi-generator (executable) ..................... SKIPPED
[INFO] openapi-generator (maven-plugin) ................... SKIPPED
[INFO] openapi-generator-gradle-plugin (maven wrapper) .... SKIPPED
[INFO] openapi-generator-online ........................... SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  35.786 s
[INFO] Finished at: 2018-11-10T17:44:19Z
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.22.0:test (default-test) on project openapi-generator: There are test failures.
[ERROR]
[ERROR] Please refer to /gen/modules/openapi-generator/target/surefire-reports for the individual test results.
[ERROR] Please refer to dump files (if any exist) [date]-jvmRun[N].dump, [date].dumpstream and [date]-jvmRun[N].dumpstream.
[ERROR] The forked VM terminated without properly saying goodbye. VM crash or System.exit called?
[ERROR] Command was /bin/sh -c cd /gen/modules/openapi-generator && /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java '-javaagent:/gen/?/.m2/repository/org/jmockit/jmockit/1.43/jmockit-1.43.jar' -jar /gen/modules/openapi-generator/target/surefire/surefirebooter8676906530461702421.jar /gen/modules/openapi-generator/target/surefire 2018-11-10T17-44-17_866-jvmRun1 surefire3316838676660223153tmp surefire_01050274721823899210tmp
[ERROR] Error occurred in starting fork, check output in log
[ERROR] Process Exit Code: 1
[ERROR] org.apache.maven.surefire.booter.SurefireBooterForkException: The forked VM terminated without properly saying goodbye. VM crash or System.exit called?
[ERROR] Command was /bin/sh -c cd /gen/modules/openapi-generator && /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java '-javaagent:/gen/?/.m2/repository/org/jmockit/jmockit/1.43/jmockit-1.43.jar' -jar /gen/modules/openapi-generator/target/surefire/surefirebooter8676906530461702421.jar /gen/modules/openapi-generator/target/surefire 2018-11-10T17-44-17_866-jvmRun1 surefire3316838676660223153tmp surefire_01050274721823899210tmp
[ERROR] Error occurred in starting fork, check output in log
[ERROR] Process Exit Code: 1
[ERROR] 	at org.apache.maven.plugin.surefire.booterclient.ForkStarter.fork(ForkStarter.java:671)
[ERROR] 	at org.apache.maven.plugin.surefire.booterclient.ForkStarter.fork(ForkStarter.java:533)
[ERROR] 	at org.apache.maven.plugin.surefire.booterclient.ForkStarter.run(ForkStarter.java:278)
[ERROR] 	at org.apache.maven.plugin.surefire.booterclient.ForkStarter.run(ForkStarter.java:244)
[ERROR] 	at org.apache.maven.plugin.surefire.AbstractSurefireMojo.executeProvider(AbstractSurefireMojo.java:1194)
[ERROR] 	at org.apache.maven.plugin.surefire.AbstractSurefireMojo.executeAfterPreconditionsChecked(AbstractSurefireMojo.java:1022)
[ERROR] 	at org.apache.maven.plugin.surefire.AbstractSurefireMojo.execute(AbstractSurefireMojo.java:868)
[ERROR] 	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:137)
[ERROR] 	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:210)
[ERROR] 	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:156)
[ERROR] 	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:148)
[ERROR] 	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:117)
[ERROR] 	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:81)
[ERROR] 	at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:56)
[ERROR] 	at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
[ERROR] 	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:305)
[ERROR] 	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:192)
[ERROR] 	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:105)
[ERROR] 	at org.apache.maven.cli.MavenCli.execute(MavenCli.java:956)
[ERROR] 	at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:288)
[ERROR] 	at org.apache.maven.cli.MavenCli.main(MavenCli.java:192)
[ERROR] 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[ERROR] 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
[ERROR] 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[ERROR] 	at java.lang.reflect.Method.invoke(Method.java:498)
[ERROR] 	at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
[ERROR] 	at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
[ERROR] 	at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
[ERROR] 	at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
[ERROR]
[ERROR] -> [Help 1]
[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/MojoExecutionException
[ERROR]
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR]   mvn <goals> -rf :openapi-generator
openapi-generator version

master (5711985a)
OpenAPI declaration file content or url

n/a
Command line used for generation

n/a
Steps to reproduce

Run ./run-in-docker.sh mvn package
Related issues/PRs

Suggest a fix/enhancement

./run-in-docker.sh mvn package -Dsurefire.useSystemClassLoader=false goes well. So, adding <useSystemClassLoader>false</useSystemClassLoader> to maven-surefire-plugin configuration in pom.xml may be fix or a workaround.