I branch R4_20_maintenance, and build with 'mvn clean verify -DskipTests=true', the error msg is the following, the same as the previous mail.
[INFO] org.eclipse.sdk.tests.feature 4.20.0-SNAPSHOT ...... SUCCESS [ 6.185 s]
[INFO] eclipse.platform.releng.tychoeclipsebuilder 4.20.0-SNAPSHOT SUCCESS [ 0.048 s]
[INFO] org.eclipse.rcp.configuration 1.1.1300-SNAPSHOT .... SUCCESS [ 0.713 s]
[INFO] org.eclipse.rt.osgistarterkit.product 4.20.0-SNAPSHOT SUCCESS [ 25.669 s]
[INFO] equinox-sdk 4.20.0-SNAPSHOT ........................ SUCCESS [ 25.696 s]
[INFO] eclipse-junit-tests 4.20.0-SNAPSHOT ................ FAILURE [ 46.022 s]
[INFO] eclipse.platform.repository 4.20.0-SNAPSHOT ........ SKIPPED
[INFO] platform-aggregator 4.20.0-SNAPSHOT ................ SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 01:05 h
[INFO] Finished at: 2021-06-23T11:11:14+08:00
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-assembly-plugin:3.3.0:single (make-assembly) on project eclipse-junit-tests: Failed to create assembly: Error adding file to archive: F:\aggregator\eclipse.platform.releng.tychoeclipsebuilder\eclipse-junit-tests\..\..\eclipse.platform.common\bundles\org.eclipse.jdt.doc.isv\target\doc.bin.log -> [Help 1]
[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] For more information about the errors and possible solutions, please read the following articles:
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR] mvn <args> -rf :eclipse-junit-tests