Is it trying to process the class files generated by java? I thought Android compiled Java source. If it is looking at class files then it needs to ignore everything under META-INF
Sent from my iPad > On Jul 8, 2017, at 5:58 PM, Gary Gregory <garydgreg...@gmail.com> wrote: > > We are worst off with our 2.9-SNAPSHOT, I can't even build an app using > only log4j-api: > > AGPBI: {"kind":"error","text":"Error converting bytecode to dex:\nCause: > Dex cannot parse version 53 byte code.\nThis is caused by library > dependencies that have been compiled using Java 8 or above.\nIf you are > using the \u0027java\u0027 gradle plugin in a library submodule add > \ntargetCompatibility \u003d \u00271.7\u0027\nsourceCompatibility \u003d > \u00271.7\u0027\nto that submodule\u0027s build.gradle > file.","sources":[{}],"original":"UNEXPECTED TOP-LEVEL > EXCEPTION:\njava.lang.RuntimeException: Exception parsing classes\n\tat > com.android.dx.command.dexer.Main.processClass(Main.java:781)\n\tat > com.android.dx.command.dexer.Main.processFileBytes(Main.java:747)\n\tat > com.android.dx.command.dexer.Main.access$1200(Main.java:88)\n\tat > com.android.dx.command.dexer.Main$FileBytesConsumer.processFileBytes(Main.java:1689)\n\tat > com.android.dx.cf.direct.ClassPathOpener.processArchive(ClassPathOpener.java:284)\n\tat > com.android.dx.cf.direct.ClassPathOpener.processOne(ClassPathOpener.java:166)\n\tat > com.android.dx.cf.direct.ClassPathOpener.process(ClassPathOpener.java:144)\n\tat > com.android.dx.command.dexer.Main.processOne(Main.java:695)\n\tat > com.android.dx.command.dexer.Main.processAllFiles(Main.java:592)\n\tat > com.android.dx.command.dexer.Main.runMultiDex(Main.java:376)\n\tat > com.android.dx.command.dexer.Main.run(Main.java:290)\n\tat > com.android.builder.internal.compiler.DexWrapper.run(DexWrapper.java:54)\n\tat > com.android.builder.core.DexByteCodeConverter.lambda$dexInProcess$0(DexByteCodeConverter.java:174)\n\tat > java.util.concurrent.FutureTask.run(FutureTask.java:266)\n\tat > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)\n\tat > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)\n\tat > java.lang.Thread.run(Thread.java:745)\nCaused by: > com.android.dx.cf.iface.ParseException: bad class file magic (cafebabe) or > version (0035.0000)\n\tat > com.android.dx.cf.direct.DirectClassFile.parse0(DirectClassFile.java:476)\n\tat > com.android.dx.cf.direct.DirectClassFile.parse(DirectClassFile.java:406)\n\tat > com.android.dx.cf.direct.DirectClassFile.parseToInterfacesIfNecessary(DirectClassFile.java:388)\n\tat > com.android.dx.cf.direct.DirectClassFile.getMagic(DirectClassFile.java:251)\n\tat > com.android.dx.command.dexer.Main.parseClass(Main.java:793)\n\tat > com.android.dx.command.dexer.Main.access$1600(Main.java:88)\n\tat > com.android.dx.command.dexer.Main$ClassParserTask.call(Main.java:1728)\n\tat > com.android.dx.command.dexer.Main.processClass(Main.java:779)\n\t... 16 > more\n","tool":"Dex"} > AGPBI: {"kind":"error","text":"1 error; aborting","sources":[{}]} > > Can we split off this Java 9 stuff in a separate module? > > Gary > >> On Sat, Jul 8, 2017 at 4:01 PM, Matt Sicker <boa...@gmail.com> wrote: >> >> If you've got some instructions on how to even get an Android project up >> and running, getting some test code to play with would certainly help. Long >> ago when I tried debugging some Android issues with Log4j, I couldn't even >> get that far. :/ >> >>> On 8 July 2017 at 17:31, Gary Gregory <garydgreg...@gmail.com> wrote: >>> >>> A quick follow up to note that with 2.8.2, using log4j-api does not cause >>> problems but then adding log4j-core causes the app to fail to start. So I >>> definitively see an Android epic for 2.10. Maybe this is when we want to >>> split up log4j-core. >>> >>> Gary >>> >>> On Sat, Jul 8, 2017 at 3:20 PM, Gary Gregory <garydgreg...@gmail.com> >>> wrote: >>> >>>> So here I am with my family our of town on a weekend, and I thought I'd >>>> give Log4j on Android a try. >>>> >>>> The first thing I run into is: >>>> >>>> FAILURE: Build failed with an exception. >>>> >>>> * What went wrong: >>>> Execution failed for task ':Application:transformResourcesWithMergeJav >>>> aResForDebug'. >>>>> com.android.build.api.transform.TransformException: >>>> com.android.builder.packaging.DuplicateFileException: Duplicate files >>>> copied in APK META-INF/LICENSE >>>> File1: C:\Users\ggregory\.gradle\caches\modules-2\files-2.1\ >>>> org.apache.logging.log4j\log4j-core\2.8.2\ >> 979fc0cf8460302e4ffbfe38c1b66a >>>> 99450b0bb7\log4j-core-2.8.2.jar >>>> File2: C:\Users\ggregory\.gradle\caches\modules-2\files-2.1\ >>>> org.apache.logging.log4j\log4j-api\2.8.2\ >> e590eeb783348ce8ddef205b82127f >>>> 9084d82bf3\log4j-api-2.8.2.jar >>>> >>>> >>>> * Try: >>>> Run with --stacktrace option to get the stack trace. Run with --info or >>>> --debug option to get more log output. >>>> >>>> BUILD FAILED >>>> >>>> Total time: 1.995 secs >>>> >>>> which is solved by: >>>> >>>> https://stackoverflow.com/questions/37586800/android- >>>> gradle-duplicate-files-copied-in-apk-meta-inf-license-txt >>>> >>>> Which means I have to add this to my build: >>>> >>>> packagingOptions { >>>> exclude 'META-INF/DEPENDENCIES' >>>> exclude 'META-INF/LICENSE' >>>> } >>>> >>>> I wonder if we should generate these files pretending we are in an uber >>> jar, either: >>>> >>>> - with the project name in the name like META-INF/log4j2.LICENSE >>>> >>>> - with maven AID in the name like META-INF/log4j-api.LICENSE >>>> >>>> - with maven coords in the name like META-INF/org.apache.logging. >>> log4j-log4j-api.LICENSE >>>> >>>> As an aside files like LICENSE and NOTICE do not have .txt extensions >>> which is lame IMO. >>>> >>>> Ignore and do nothing? Thoughts? >>>> >>>> Gary >>>> >>>> >>> >> >> >> >> -- >> Matt Sicker <boa...@gmail.com> >>