For those interested, root cause has been found and fixed.[1] thanks, Robert
[1] https://github.com/apache/maven/commit/a89a3d315d335a2ca670b3d0ec7eab41c5354ea3 On 5-11-2020 12:10:20, Robert Scholte <rfscho...@apache.org> wrote: What's interesting is that MNG-6999 introduced the issue (right?), which is mainly about proper lexicalHandler processing. AbstractModelSourceTransformer.java [1] is most likely the root cause Regarding build/consumer this commit is relatively small, so a bigger chance to fix it. Robert [1] https://github.com/apache/maven/commit/e7eef9d34f15a5da5c36f51fea11dc645875d143/#diff-7b360a99383759ea66111f9c11dd617a09227ab0d0ed4712993b683bfad18195 On 5-11-2020 10:19:05, Michael Osipov <micha...@apache.org> wrote: Of couse, I prefer a fix too, but as you can see our testbed's coverage isn't good enough to find race conditions. I can provide you SSH access to a box to recreate, test and fix that issue if you like. Michael Am 2020-11-04 um 23:48 schrieb Robert Scholte: > I hope we can focus on a fix instead a revert, this concept is quite critical > if we ever want to move Maven forward. There's actually a second branch > waiting to be merged to solve the reverse order of modules when using > build/consumer. > I'll try to have a look this weekend, and of course any help here is > appreciated. > > thanks, > Robert > > On 3-11-2020 12:23:55, Michael Osipov wrote: > Folks, > > just tried to run tests with latest master and Maven is fundamentally > broken for me regardless of the project or Java vesion: >> $ >> ~/apache-maven-3.7.0-SNAPSHOT-e7eef9d34f15a5da5c36f51fea11dc645875d143/bin/mvn >> -V package >> Apache Maven 3.7.0-SNAPSHOT (e7eef9d34f15a5da5c36f51fea11dc645875d143) >> Maven home: >> /home/mosipov/apache-maven-3.7.0-SNAPSHOT-e7eef9d34f15a5da5c36f51fea11dc645875d143 >> Java version: 1.8.0_265, vendor: OpenJDK BSD Porting Team, runtime: >> /usr/local/openjdk8/jre >> Default locale: de_DE, platform encoding: UTF-8 >> OS name: "freebsd", version: "12.2-stable", arch: "amd64", family: "unix" >> [INFO] Scanning for projects... >> ERROR: 'Pipe not connected' >> ERROR: 'Pipe not connected' >> [ERROR] [ERROR] Some problems were encountered while processing the POMs: >> [FATAL] input contained no data @ >> [FATAL] input contained no data @ >> @ >> [ERROR] The build could not read 2 projects -> [Help 1] >> [ERROR] >> [ERROR] The project >> org.apache.maven.resolver:maven-resolver-transport-http:1.6.2-SNAPSHOT >> (/var/mosipov/Projekte/maven-resolver/maven-resolver-transport-http/pom.xml) >> has 1 error >> [ERROR] input contained no data >> [ERROR] >> [ERROR] The project >> org.apache.maven.resolver:maven-resolver-synccontext-global:1.6.2-SNAPSHOT >> (/var/mosipov/Projekte/maven-resolver/maven-resolver-synccontext-global/pom.xml) >> has 1 error >> [ERROR] input contained no data >> [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/ProjectBuildingException > > but the previous commit: >> $ >> ~/apache-maven-3.7.0-SNAPSHOT-449e6dc9db8152b1c67728a0fb8b16dc04e8976f/bin/mvn >> -V package >> Apache Maven 3.7.0-SNAPSHOT (449e6dc9db8152b1c67728a0fb8b16dc04e8976f) >> Maven home: >> /home/mosipov/apache-maven-3.7.0-SNAPSHOT-449e6dc9db8152b1c67728a0fb8b16dc04e8976f >> Java version: 1.8.0_265, vendor: OpenJDK BSD Porting Team, runtime: >> /usr/local/openjdk8/jre >> Default locale: de_DE, platform encoding: UTF-8 >> OS name: "freebsd", version: "12.2-stable", arch: "amd64", family: "unix" >> [INFO] Scanning for projects... >> [INFO] >> ------------------------------------------------------------------------ >> [INFO] Reactor Build Order: >> [INFO] >> [INFO] Maven Artifact Resolver [pom] >> [INFO] Maven Artifact Resolver API [jar] >> [INFO] Maven Artifact Resolver SPI [jar] >> [INFO] Maven Artifact Resolver Test Utilities [jar] >> [INFO] Maven Artifact Resolver Utilities [jar] >> [INFO] Maven Artifact Resolver Implementation [jar] >> [INFO] Maven Artifact Resolver Connector Basic [jar] >> [INFO] Maven Artifact Resolver Transport Classpath [jar] >> [INFO] Maven Artifact Resolver Transport File [jar] >> [INFO] Maven Artifact Resolver Transport HTTP [jar] >> [INFO] Maven Artifact Resolver Transport Wagon [jar] >> [INFO] Maven Artifact Resolver Demos [pom] >> [INFO] Maven Artifact Resolver Demo Snippets [jar] >> [INFO] Maven Artifact Resolver Demo Maven Plugin [maven-plugin] >> [INFO] Maven Artifact Resolver Sync Context Global [jar] > > The "pipe not connected" happens in more than 50% of all cases. > When running Core ITs some ITs just hang forever. > >>From googling, this is a race condition in the code. > > Debug output: >> [ERROR] [ERROR] Some problems were encountered while processing the POMs: >> [FATAL] input contained no data @ >> @ >> [ERROR] The build could not read 1 project -> [Help 1] >> org.apache.maven.project.ProjectBuildingException: Some problems were >> encountered while processing the POMs: >> [FATAL] input contained no data @ >> >> at org.apache.maven.project.DefaultProjectBuilder.build >> (DefaultProjectBuilder.java:438) >> at >> org.apache.maven.project.collector.DefaultProjectsCollector.collectProjects >> (DefaultProjectsCollector.java:62) >> at >> org.apache.maven.project.collector.MultiModuleCollectionStrategy.collectProjects >> (MultiModuleCollectionStrategy.java:72) >> at org.apache.maven.graph.DefaultGraphBuilder.getProjectsForMavenReactor >> (DefaultGraphBuilder.java:426) >> at org.apache.maven.graph.DefaultGraphBuilder.build >> (DefaultGraphBuilder.java:97) >> at org.apache.maven.DefaultMaven.buildGraph (DefaultMaven.java:557) >> at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:233) >> at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:206) >> at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:119) >> at org.apache.maven.cli.MavenCli.execute (MavenCli.java:982) >> at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:296) >> at org.apache.maven.cli.MavenCli.main (MavenCli.java:200) >> 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.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] The project >> org.apache.maven.resolver:maven-resolver-transport-http:1.6.2-SNAPSHOT >> (/var/mosipov/Projekte/maven-resolver/maven-resolver-transport-http/pom.xml) >> has 1 error >> [ERROR] input contained no data >> java.io.EOFException: input contained no data >> at org.codehaus.plexus.util.xml.pull.MXParser.fillBuf (MXParser.java:3694) >> at org.codehaus.plexus.util.xml.pull.MXParser.more (MXParser.java:3776) >> at org.codehaus.plexus.util.xml.pull.MXParser.parseProlog >> (MXParser.java:1717) >> at org.codehaus.plexus.util.xml.pull.MXParser.nextImpl (MXParser.java:1700) >> at org.codehaus.plexus.util.xml.pull.MXParser.next (MXParser.java:1319) >> at org.apache.maven.model.io.xpp3.MavenXpp3Reader.read >> (MavenXpp3Reader.java:3876) >> at org.apache.maven.model.io.xpp3.MavenXpp3Reader.read >> (MavenXpp3Reader.java:595) >> at org.apache.maven.model.io.DefaultModelReader.read >> (DefaultModelReader.java:149) >> at org.apache.maven.model.io.DefaultModelReader.read >> (DefaultModelReader.java:122) >> at org.apache.maven.model.io.DefaultModelReader.read >> (DefaultModelReader.java:94) >> at org.apache.maven.model.building.DefaultModelProcessor.read >> (DefaultModelProcessor.java:97) >> at org.apache.maven.model.building.DefaultModelBuilder.readModel >> (DefaultModelBuilder.java:670) >> at org.apache.maven.model.building.DefaultModelBuilder.build >> (DefaultModelBuilder.java:293) >> at org.apache.maven.project.DefaultProjectBuilder.build >> (DefaultProjectBuilder.java:492) >> at org.apache.maven.project.DefaultProjectBuilder.build >> (DefaultProjectBuilder.java:456) >> at org.apache.maven.project.DefaultProjectBuilder.build >> (DefaultProjectBuilder.java:605) >> at org.apache.maven.project.DefaultProjectBuilder.build >> (DefaultProjectBuilder.java:456) >> at org.apache.maven.project.DefaultProjectBuilder.build >> (DefaultProjectBuilder.java:420) >> at >> org.apache.maven.project.collector.DefaultProjectsCollector.collectProjects >> (DefaultProjectsCollector.java:62) >> at >> org.apache.maven.project.collector.MultiModuleCollectionStrategy.collectProjects >> (MultiModuleCollectionStrategy.java:72) >> at org.apache.maven.graph.DefaultGraphBuilder.getProjectsForMavenReactor >> (DefaultGraphBuilder.java:426) >> at org.apache.maven.graph.DefaultGraphBuilder.build >> (DefaultGraphBuilder.java:97) >> at org.apache.maven.DefaultMaven.buildGraph (DefaultMaven.java:557) >> at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:233) >> at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:206) >> at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:119) >> at org.apache.maven.cli.MavenCli.execute (MavenCli.java:982) >> at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:296) >> at org.apache.maven.cli.MavenCli.main (MavenCli.java:200) >> 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.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] >> [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/ProjectBuildingException >> mosipov@bsd1srv:~/var/Projekte/maven-resolver (master=) > > Robert, please revise the code otherwise I will have to revert the > offending commit. > > Michael > > --------------------------------------------------------------------- > To unsubscribe, e-mail: dev-unsubscr...@maven.apache.org > For additional commands, e-mail: dev-h...@maven.apache.org > > --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@maven.apache.org For additional commands, e-mail: dev-h...@maven.apache.org
