Semaphore: Invalid or corrupt jarfile .m2/repository/R-4.17-202009021800/ecj-4.17.jar

[romani]

https://checkstyle.semaphoreci.com/jobs/5dc78b22-4de8-46c6-bd80-a6b6f1e861a2

Content of target/eclipse/report.txt: 00:10
Error: Invalid or corrupt jarfile /home/semaphore/.m2/repository/R-4.17-202009021800/ecj-4.17.jar 00:10
[ERROR] Command execution failed. 00:10
org.apache.commons.exec.ExecuteException: Process exited with an error: 1 (Exit value: 1)

after clean up of cahe:

[INFO] --- exec-maven-plugin:3.0.0:exec (default-cli) @ checkstyle --- 04:14
/home/semaphore/.m2/repository/R-4.17-202009021800/ecj-4.17.jar is not found, downloading ... 04:14
--2021-06-20 13:18:02--  http://ftp-stud.fht-esslingen.de/pub/Mirrors/eclipse/eclipse/downloads/drops4/R-4.17-202009021800/ecj-4.17.jar 04:14
Resolving ftp-stud.fht-esslingen.de (ftp-stud.fht-esslingen.de)... 129.143.116.10, 2001:7c0:700::10 04:14
Connecting to ftp-stud.fht-esslingen.de (ftp-stud.fht-esslingen.de)|129.143.116.10|:80... connected. 04:14
HTTP request sent, awaiting response... 404 Not Found 04:14
2021-06-20 13:18:02 ERROR 404: Not Found. 04:14
[ERROR] Command execution failed.

there is no such file/folder any more at http://ftp-stud.fht-esslingen.de/pub/Mirrors/eclipse/eclipse/downloads/drops4/
we need to migrate to most recent.
http://ftp-stud.fht-esslingen.de/pub/Mirrors/eclipse/eclipse/downloads/drops4/R-4.20-202106111600/

Some useful commands for cache management: https://docs.semaphoreci.com/essentials/caching-dependencies-and-directories/

[romani]

merged.

https://checkstyle.semaphoreci.com/jobs/a5669003-c46b-40b0-acf6-6f3a1ee5e6e8

[INFO] --- maven-compiler-plugin:3.8.1:compile (default-compile) @ checkstyle --- 00:06
[INFO] Changes detected - recompiling the module! 00:06
[INFO] Compiling 415 source files to /home/semaphore/checkstyle/target/classes 00:12
[INFO] /home/semaphore/checkstyle/src/main/java/com/puppycrawl/tools/checkstyle/DetailAstImpl.java: Some input files use or override a deprecated API. 00:12
[INFO] /home/semaphore/checkstyle/src/main/java/com/puppycrawl/tools/checkstyle/DetailAstImpl.java: Recompile with -Xlint:deprecation for details. 00:12
[INFO] /home/semaphore/checkstyle/src/main/java/com/puppycrawl/tools/checkstyle/api/AutomaticBean.java: Some input files use unchecked or unsafe operations. 00:12
[INFO] /home/semaphore/checkstyle/src/main/java/com/puppycrawl/tools/checkstyle/api/AutomaticBean.java: Recompile with -Xlint:unchecked for details. 00:12
[INFO] 00:12
[INFO] --- exec-maven-plugin:3.0.0:exec (default-cli) @ checkstyle --- 00:12
/home/semaphore/.m2/repository/R-4.20-202106111600/ecj-4.20.jar is not found, downloading ... 00:12
--2021-06-20 13:38:37--  http://ftp-stud.fht-esslingen.de/pub/Mirrors/eclipse/eclipse/downloads/drops4/R-4.20-202106111600/ecj-4.20.jar 00:12
Resolving ftp-stud.fht-esslingen.de (ftp-stud.fht-esslingen.de)... 129.143.116.10, 2001:7c0:700::10 00:12
Connecting to ftp-stud.fht-esslingen.de (ftp-stud.fht-esslingen.de)|129.143.116.10|:80... connected. 00:12
HTTP request sent, awaiting response... 200 OK 00:12
Length: 3133846 (3.0M) [application/x-java-archive] 00:12
Saving to: ‘/home/semaphore/.m2/repository/R-4.20-202106111600/ecj-4.20.jar’ 00:12
     0K .......... .......... .......... .......... ..........  1% 2.64M 1s 00:12
....
  3000K .......... .......... .......... .......... .......... 99%  151M 0s 00:12
  3050K ..........                                            100%  156M=0.1s 00:12
2021-06-20 13:38:37 (28.5 MB/s) - ‘/home/semaphore/.m2/repository/R-4.20-202106111600/ecj-4.20.jar’ saved [3133846/3133846] 00:12
Executing eclipse compiler, output is redirected to target/eclipse/report.txt... 00:12
java -jar /home/semaphore/.m2/repository/R-4.20-202106111600/ecj-4.20.jar -target 11 -source 11 ....
[INFO] ------------------------------------------------------------------------ 00:27
[INFO] BUILD SUCCESS

[romani]

with PR #10139
we should not have this problem any more in such obscure way, so we will have failure right after download.

[romani]

problem with semaphore cache happened again , fixed by #12662
as there is no ability to do this in semaphore UI.

https://docs.semaphoreci.com/essentials/caching-dependencies-and-directories/#cache-clear