Bug#1012064: libsweble-common-java: FTBFS with OpenJDK 17: illegal escape character

[Emmanuel Bourg]

Source: libsweble-common-java
Version: 3.0.8-2
Severity: important
Tags: ftbfs sid bookworm
User: debian-java at lists.debian.org
Usertags: default-java17


libsweble-common-java fails to build with OpenJDK 17, it looks like the range
of valid unicode escape sequences is more restricted with Java 17:


  [INFO] Scanning for projects...
  [INFO] ------------------------------------------------------------------------
  [INFO] Reactor Build Order:
  [INFO]
  [INFO] Utils Parent POM                                                   [pom]
  [INFO] Utils                                                              [jar]
  [INFO] Parser Toolkit Parent POM                                          [pom]
  [INFO] PTK - Common                                                       [jar]
  [INFO] Open Source Research Common Aggergator Project                     [pom]
  [INFO]
  [INFO] ------------------< de.fau.cs.osr.utils:utils-parent >------------------
  [INFO] Building Utils Parent POM 3.0.8                                    [1/5]
  [INFO] --------------------------------[ pom ]---------------------------------
  [INFO]
  [INFO] ---------------------< de.fau.cs.osr.utils:utils >----------------------
  [INFO] Building Utils 3.0.8                                               [2/5]
  [INFO] --------------------------------[ jar ]---------------------------------
  [INFO]
  [INFO] --- maven-resources-plugin:3.1.0:resources (default-resources) @ utils ---
  [INFO] Using 'UTF-8' encoding to copy filtered resources.
  [INFO] skip non existing resourceDirectory /<<PKGBUILDDIR>>/utils-parent/utils/src/main/resources
  [INFO]
  [INFO] --- maven-compiler-plugin:3.8.1:compile (default-compile) @ utils ---
  [INFO] Changes detected - recompiling the module!
  [INFO] Compiling 46 source files to /<<PKGBUILDDIR>>/utils-parent/utils/target/classes
  [INFO] -------------------------------------------------------------
  [ERROR] COMPILATION ERROR :
  [INFO] -------------------------------------------------------------
  [ERROR] /<<PKGBUILDDIR>>/utils-parent/utils/src/main/java/de/fau/cs/osr/utils/XmlGrammar.java:[41,51] illegal escape character
  [INFO] 1 error
  [INFO] -------------------------------------------------------------
  [INFO] ------------------------------------------------------------------------
  [INFO] Reactor Summary for Open Source Research Common Aggergator Project 3.0.8:
  [INFO]
  [INFO] Utils Parent POM ................................... SUCCESS [  0.003 s]
  [INFO] Utils .............................................. FAILURE [  0.490 s]
  [INFO] Parser Toolkit Parent POM .......................... SKIPPED
  [INFO] PTK - Common ....................................... SKIPPED
  [INFO] Open Source Research Common Aggergator Project ..... SKIPPED
  [INFO] ------------------------------------------------------------------------
  [INFO] BUILD FAILURE
  [INFO] ------------------------------------------------------------------------
  [INFO] Total time:  0.560 s
  [INFO] Finished at: 2022-05-25T00:35:53Z
  [INFO] ------------------------------------------------------------------------
  [ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.8.1:compile (default-compile) on project utils: Compilation failure
  [ERROR] /<<PKGBUILDDIR>>/utils-parent/utils/src/main/java/de/fau/cs/osr/utils/XmlGrammar.java:[41,51] illegal escape character
  [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/MojoFailureException
  [ERROR]
  [ERROR] After correcting the problems, you can resume the build with the command
  [ERROR]   mvn <args> -rf :utils