出现io异常，文件找不到

[xuanguofeng]

cat file fail java.io.FileNotFoundException: /proc/27278/task/28734/stat: open failed: ENOENT (No such file or directory)
at libcore.io.IoBridge.open(IoBridge.java:575)
at java.io.RandomAccessFile.(RandomAccessFile.java:289)
at java.io.RandomAccessFile.(RandomAccessFile.java:152)
at com.tencent.matrix.batterycanary.utils.BatteryCanaryUtil.cat(BatteryCanaryUtil.java:414)
at com.tencent.matrix.batterycanary.utils.ProcStatUtil.parse(ProcStatUtil.java:93)
at com.tencent.matrix.batterycanary.utils.ProcStatUtil.of(ProcStatUtil.java:67)
at com.tencent.matrix.batterycanary.monitor.feature.JiffiesMonitorFeature$ProcessInfo$ThreadInfo.loadProcStat(JiffiesMonitorFeature.java:220)
at com.tencent.matrix.batterycanary.monitor.feature.JiffiesMonitorFeature$JiffiesSnapshot$ThreadJiffiesSnapshot.parseThreadJiffies(JiffiesMonitorFeature.java:384)
at com.tencent.matrix.batterycanary.monitor.feature.JiffiesMonitorFeature$JiffiesSnapshot.currentJiffiesSnapshot(JiffiesMonitorFeature.java:265)
at com.tencent.matrix.batterycanary.monitor.feature.JiffiesMonitorFeature.currentJiffiesSnapshot(JiffiesMonitorFeature.java:91)
at com.tencent.matrix.batterycanary.monitor.feature.CompositeMonitors.statCurrSnapshot(CompositeMonitors.java:505)
at com.tencent.matrix.batterycanary.monitor.feature.CompositeMonitors.configureEndDeltas(CompositeMonitors.java:425)
at com.tencent.matrix.batterycanary.monitor.feature.CompositeMonitors.finish(CompositeMonitors.java:394)
at com.liquid.poros.protwo.business.trace.MatrixKit.batteryFinish(MatrixKit.kt:74)
at com.liquid.poros.protwo.business.main.viewmodel.MainViewModel.finishBattery(MainViewModel.kt:376)
at com.liquid.poros.protwo.business.main.MainActivity.onPause(MainActivity.kt:1103)
at android.app.Activity.performPause(Activity.java:8615)
at android.app.Instrumentation.callActivityOnPause(Instrumentation.java:1552)
at android.app.ActivityThread.performPauseActivityIfNeeded(ActivityThread.java:5817)
at android.app.ActivityThread.performPauseActivity(ActivityThread.java:5776)
at android.app.ActivityThread.handlePauseActivity(ActivityThread.java:5716)
at android.app.servertransaction.PauseActivityItem.execute(PauseActivityItem.java:47)
at android.app.servertransaction.ActivityTransactionItem.execute(ActivityTransactionItem.java:45)
at android.app.servertransaction.TransactionExecutor.executeLifecycleState(TransactionExecutor.java:190)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:105)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2692)
at com.didichuxing.doraemonkit.kit.timecounter.instrumentation.ProxyHandlerCallback.handleMessage(ProxyHandlerCallback.java:44)
at android.os.Handler.dispatchMessage(Handler.java:105)
at android.os.Looper.loopOnce(Looper.java:206)
at android.os.Looper.loop(Looper.java:296)
at android.app.ActivityThread.main(ActivityThread.java:9000)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:569)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:976)
Caused by: android.system.ErrnoException: open failed: ENOENT (No such file or directory)
at libcore.io.Linux.open(Native Method)
at libcore.io.ForwardingOs.open(ForwardingOs.java:567)
at libcore.io.BlockGuardOs.open(BlockGuardOs.java:273)
at libcore.io.ForwardingOs.open(ForwardingOs.java:567)
at android.app.ActivityThread$AndroidOs.open(ActivityThread.java:8836)
at libcore.io.IoBridge.open(IoBridge.java:561)
at java.io.RandomAccessFile.(RandomAccessFile.java:289) 
at java.io.RandomAccessFile.(RandomAccessFile.java:152) 
at com.tencent.matrix.batterycanary.utils.BatteryCanaryUtil.cat(BatteryCanaryUtil.java:414) 
at com.tencent.matrix.batterycanary.utils.ProcStatUtil.parse(ProcStatUtil.java:93) 
at com.tencent.matrix.batterycanary.utils.ProcStatUtil.of(ProcStatUtil.java:67) 
at com.tencent.matrix.batterycanary.monitor.feature.JiffiesMonitorFeature$ProcessInfo$ThreadInfo.loadProcStat(JiffiesMonitorFeature.java:220) 
at com.tencent.matrix.batterycanary.monitor.feature.JiffiesMonitorFeature$JiffiesSnapshot$ThreadJiffiesSnapshot.parseThreadJiffies(JiffiesMonitorFeature.java:384) 
at com.tencent.matrix.batterycanary.monitor.feature.JiffiesMonitorFeature$JiffiesSnapshot.currentJiffiesSnapshot(JiffiesMonitorFeature.java:265) 
at com.tencent.matrix.batterycanary.monitor.feature.JiffiesMonitorFeature.currentJiffiesSnapshot(JiffiesMonitorFeature.java:91) 
at com.tencent.matrix.batterycanary.monitor.feature.CompositeMonitors.statCurrSnapshot(CompositeMonitors.java:505) 
at com.tencent.matrix.batterycanary.monitor.feature.CompositeMonitors.configureEndDeltas(CompositeMonitors.java:425) 
at com.tencent.matrix.batterycanary.monitor.feature.CompositeMonitors.finish(CompositeMonitors.java:394) 
at com.liquid.poros.protwo.business.trace.MatrixKit.batteryFinish(MatrixKit.kt:74) 
at com.liquid.poros.protwo.business.main.viewmodel.MainViewModel.finishBattery(MainViewModel.kt:376) 
at com.liquid.poros.protwo.business.main.MainActivity.onPause(MainActivity.kt:1103) 
at android.app.Activity.performPause(Activity.java:8615) 
at android.app.Instrumentation.callActivityOnPause(Instrumentation.java:1552) 
at android.app.ActivityThread.performPauseActivityIfNeeded(ActivityThread.java:5817) 
at android.app.ActivityThread.performPauseActivity(ActivityThread.java:5776) 
at android.app.ActivityThread.handlePauseActivity(ActivityThread.java:5716) 
at android.app.servertransaction.PauseActivityItem.execute(PauseActivityItem.java:47) 
at android.app.servertransaction.ActivityTransactionItem.execute(ActivityTransactionItem.java:45) 
at android.app.servertransaction.TransactionExecutor.executeLifecycleState(TransactionExecutor.java:190) 
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:105) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2692) 
at com.didichuxing.doraemonkit.kit.timecounter.instrumentation.ProxyHandlerCallback.handleMessage(ProxyHandlerCallback.java:44) 
at android.os.Handler.dispatchMessage(Handler.java:105) 
at android.os.Looper.loopOnce(Looper.java:206) 
at android.os.Looper.loop(Looper.java:296) 
at android.app.ActivityThread.main(ActivityThread.java:9000) 
at java.lang.reflect.Method.invoke(Native Method) 
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:569) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:976) 
2023-10-30 20:50:30.212 27278-27278 Matrix.battery.Utils com.liquid.poros.pro E cat file fail java.io.FileNotFoundException: /proc/27278/task/28734/stat: open failed: ENOENT (No such file or directory)
at libcore.io.IoBridge.open(IoBridge.java:575)
at java.io.RandomAccessFile.(RandomAccessFile.java:289)
at java.io.RandomAccessFile.(RandomAccessFile.java:152)
at com.tencent.matrix.batterycanary.utils.BatteryCanaryUtil.cat(BatteryCanaryUtil.java:414)
at com.tencent.matrix.batterycanary.monitor.feature.JiffiesMonitorFeature$ProcessInfo$ThreadInfo.loadProcStat(JiffiesMonitorFeature.java:226)
at com.tencent.matrix.batterycanary.monitor.feature.JiffiesMonitorFeature$JiffiesSnapshot$ThreadJiffiesSnapshot.parseThreadJiffies(JiffiesMonitorFeature.java:384)
at com.tencent.matrix.batterycanary.monitor.feature.JiffiesMonitorFeature$JiffiesSnapshot.currentJiffiesSnapshot(JiffiesMonitorFeature.java:265)
at com.tencent.matrix.batterycanary.monitor.feature.JiffiesMonitorFeature.currentJiffiesSnapshot(JiffiesMonitorFeature.java:91)
at com.tencent.matrix.batterycanary.monitor.feature.CompositeMonitors.statCurrSnapshot(CompositeMonitors.java:505)
at com.tencent.matrix.batterycanary.monitor.feature.CompositeMonitors.configureEndDeltas(CompositeMonitors.java:425)
at com.tencent.matrix.batterycanary.monitor.feature.CompositeMonitors.finish(CompositeMonitors.java:394)