Seems simpler to fix the Gradle plugin(s) for Android honestly. On 8 July 2017 at 21:26, Gary Gregory <garydgreg...@gmail.com> wrote:
> I say we keep it simple: Deliver log4j-api-java9 as an add-on to log4j-api > instead of being clever with log4j-api embedding Java 9 classes a la > Titanic. > > Thoughts? > > Gary > > On Sat, Jul 8, 2017 at 7:10 PM, Gary Gregory <garydgreg...@gmail.com> > wrote: > > > I do not think that is how Android development works. The .class files > are > > converted to .dex files from what I can tell, a different byte code > format > > used by both Dalvik (discontinued) and ART. > > > > Gary > > > > On Sat, Jul 8, 2017 at 6:15 PM, Apache <ralph.go...@dslextreme.com> > wrote: > > > >> 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.processF > >> ileBytes(Main.java:1689)\n\tat > >> > com.android.dx.cf.direct.ClassPathOpener.processArchive(Clas > >> sPathOpener.java:284)\n\tat > >> > com.android.dx.cf.direct.ClassPathOpener.processOne(ClassPat > >> hOpener.java:166)\n\tat > >> > com.android.dx.cf.direct.ClassPathOpener.process(ClassPathOp > >> ener.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(DexWrap > >> per.java:54)\n\tat > >> > com.android.builder.core.DexByteCodeConverter.lambda$dexInPr > >> ocess$0(DexByteCodeConverter.java:174)\n\tat > >> > java.util.concurrent.FutureTask.run(FutureTask.java:266)\n\tat > >> > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPool > >> Executor.java:1142)\n\tat > >> > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoo > >> lExecutor.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(DirectClassF > >> ile.java:476)\n\tat > >> > com.android.dx.cf.direct.DirectClassFile.parse(DirectClassFi > >> le.java:406)\n\tat > >> > com.android.dx.cf.direct.DirectClassFile.parseToInterfacesIf > >> Necessary(DirectClassFile.java:388)\n\tat > >> > com.android.dx.cf.direct.DirectClassFile.getMagic(DirectClas > >> sFile.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:transformResourc > >> esWithMergeJav > >> >>>> 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> > >> >> > >> > >> > >> > > > -- Matt Sicker <boa...@gmail.com>