我在android 4.4中遇到一个奇怪的错误，这似乎是在webview中，任何人都有任何想法修复bug，因为崩溃看起来很原生，我无法弄清楚哪个类有崩溃，所以我可以处理异常
java.lang.NullPointerException
at com.android.org.chromium.content.browser.ResourceExtractor.getOutputDirFromContext(ResourceExtractor.java:307)
at com.android.org.chromium.content.browser.ResourceExtractor.<init>(ResourceExtractor.java:266)
at com.android.org.chromium.content.browser.ResourceExtractor.get(ResourceExtractor.java:232)
at com.android.org.chromium.content.browser.BrowserStartupController.prepareToStartBrowserProcess(BrowserStartupController.java:266)
at com.android.org.chromium.content.browser.BrowserStartupController.startBrowserProcessesSync(BrowserStartupController.java:186)
at com.android.org.chromium.android_webview.AwBrowserProcess$1.run(AwBrowserProcess.java:49)
at com.android.org.chromium.base.ThreadUtils.runOnUiThreadBlocking(ThreadUtils.java:64)
at com.android.org.chromium.android_webview.AwBrowserProcess.start(AwBrowserProcess.java:45)
at com.android.webview.chromium.WebViewChromiumFactoryProvider.startChromiumLocked(WebViewChromiumFactoryProvider.java:185)
at com.android.webview.chromium.WebViewChromiumFactoryProvider.access$100(WebViewChromiumFactoryProvider.java:58)
at com.android.webview.chromium.WebViewChromiumFactoryProvider$1.run(WebViewChromiumFactoryProvider.java:123)
at android.os.Handler.handleCallback(Handler.java:733)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:146)
at android.app.ActivityThread.main(ActivityThread.java:5635)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1291)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1107)
at dalvik.system.NativeStart.main(Native Method)