android gradle打包常見問題及解決方案

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背景：

 

問題：

Q1：UNEXPECTED TOP-LEVEL ERROR:java.lang.OutOfMemoryError: Java heap spaceat com.android.dx.cf.direct.MethodListParser.set(MethodListParser.java:80)at com.android.dx.cf.direct.MemberListParser.parse(MemberListParser.java:217)at com.android.dx.cf.direct.MemberListParser.parseIfNecessary(MemberListParser.java:108)at com.android.dx.cf.direct.MethodListParser.getList(MethodListParser.java:54)at com.android.dx.cf.direct.DirectClassFile.parse0(DirectClassFile.java:542)at com.android.dx.cf.direct.DirectClassFile.parse(DirectClassFile.java:406)at com.android.dx.cf.direct.DirectClassFile.parseToInterfacesIfNecessary(DirectClassFile.java:388)at com.android.dx.cf.direct.DirectClassFile.getMagic(DirectClassFile.java:251)at com.android.dx.command.dexer.Main.parseClass(Main.java:764)at com.android.dx.command.dexer.Main.access$1500(Main.java:85)at com.android.dx.command.dexer.Main$ClassParserTask.call(Main.java:1684)at com.android.dx.command.dexer.Main.processClass(Main.java:749)at com.android.dx.command.dexer.Main.processFileBytes(Main.java:718)at com.android.dx.command.dexer.Main.access$1200(Main.java:85)at com.android.dx.command.dexer.Main$FileBytesConsumer.processFileBytes(Main.java:1645)at com.android.dx.cf.direct.ClassPathOpener.processArchive(ClassPathOpener.java:284)at com.android.dx.cf.direct.ClassPathOpener.processOne(ClassPathOpener.java:166)at com.android.dx.cf.direct.ClassPathOpener.process(ClassPathOpener.java:144)at com.android.dx.command.dexer.Main.processOne(Main.java:672)at com.android.dx.command.dexer.Main.processAllFiles(Main.java:569)at com.android.dx.command.dexer.Main.runMultiDex(Main.java:366)at com.android.dx.command.dexer.Main.run(Main.java:275)at com.android.dx.command.dexer.Main.main(Main.java:245)at com.android.dx.command.Main.main(Main.java:106):transformClassesWithDexForDebug FAILED:transformClassesWithDexForDebug (Thread[main,5,main]) completed. Took 5 mins 2.571 secs.FAILURE: Build failed with an exception.* What went wrong:Execution failed for task ‘:transformClassesWithDexForDebug‘.> com.android.build.api.transform.TransformException: com.android.ide.common.process.ProcessException: org.gradle.process.internal.ExecException: Process ‘command ‘/g3an/ci/jdk1.7.0_79/bin/java‘‘ finished with non-zero exit value 3* Try:Run with --stacktrace option to get the stack trace. Run with --debug option to get more log output.

原因：gradle在編譯過程中棧記憶體溢出

解決方案：在build.gradle設定檔中增加

dexOptions {        javaMaxHeapSize "2g"    } 

//2g表示記憶體大小，32位的jdk最大好像不能超過3g，超過最大允許記憶體大小時會報下面這個錯誤

Successfully started process ‘command ‘/g3an/ci/jdk1.7.0_79/bin/java‘‘Invalid maximum heap size: -Xmx4gThe specified size exceeds the maximum representable size.Error: Could not create the Java Virtual Machine.Error: A fatal exception has occurred. Program will exit.

  Q2：

UNEXPECTED TOP-LEVEL ERROR:java.lang.OutOfMemoryError: GC overhead limit exceeded:transformClassesWithDexForDebug FAILED:transformClassesWithDexForDebug (Thread[main,5,main]) completed. Took 1 mins 58.823 secs.FAILURE: Build failed with an exception.* What went wrong:Execution failed for task ‘:transformClassesWithDexForDebug‘.> com.android.build.api.transform.TransformException: com.android.ide.common.process.ProcessException: org.gradle.process.internal.ExecException: Process ‘command ‘/g3an/ci/jdk1.7.0_79/bin/java‘‘ finished with non-zero exit value 3* Try:Run with --stacktrace option to get the stack trace. Run with --debug option to get more log output.

原因：JVM虛擬機器的記憶體空間太小

解決方案：在使用者目錄下的gradle.properties檔案中指定gradle編譯時間使用的jvm空間大小

檔案路徑：/home/[user]/.gradle/wrapper/gradle.properties

在檔案中增加：org.gradle.jvmargs=-Xmx2048m

  

android gradle打包常見問題及解決方案