FAILURE: Build failed with an exception. * What went wrong: Execution failed for task ':transformClassesWithJarMergingForRelease'. > com.android.build.api.transform.TransformException: java.util.zip.ZipException: duplicate entry: cn/jpush/android/service/DaemonService.class * Try: Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. ****ERROR****: 子任务 "exec" 执行失败。 ****ERROR****: 任务 "buildAndroid" 执行失败。 ****ERROR****: 执行出错: ****ERROR****: 错误信息: exec returned: 1 ****ERROR****: 如不能确定具体问题,可参考常见问题: http://bbs.wex5.com/thread-82002-1-1.html /var/folders/bv/rz2nhpqn79535jbs6lmwh_xh0000gn/T/2c2d970a-ffb0-4ea6-b7e9-3a017792eb5c/pack.xml:91: exec returned: 1 at org.apache.tools.ant.taskdefs.ExecTask.runExecute(ExecTask.java:643) at org.apache.tools.ant.taskdefs.ExecTask.runExec(ExecTask.java:669) at org.apache.tools.ant.taskdefs.ExecTask.execute(ExecTask.java:495) at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292) at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:497) at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106) at org.apache.tools.ant.Task.perform(Task.java:348) at org.apache.tools.ant.Target.execute(Target.java:435) at org.apache.tools.ant.Target.performTasks(Target.java:456) at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1393) at org.apache.tools.ant.Project.executeTarget(Project.java:1364) at com.justep.deploy.app.utils.BuildHelper.execTask(Unknown Source) at com.justep.deploy.app.utils.Builder.main(Unknown Source)****ERROR****: 子任务 "java" 执行失败。****ERROR****: 任务 "pack" 执行失败。****ERROR****: 执行出错:****ERROR****: 错误信息: Java returned: 253****ERROR****: 如不能确定具体问题,可参考常见问题: http://bbs.wex5.com/thread-82002-1-1.html