java.lang.NullPointerException

Attempt to invoke virtual method 'java.io.FileInputStream android.content.Context.openFileInput(java.lang.String)' on a null object reference


Solutions on the web21584

Solution icon of stackoverflow
via Stack Overflow by sigillum_conf
, 6 months ago
Attempt to invoke virtual method 'java.io.FileInputStream android.content.Context.openFileInput(java.lang.String)' on a null object reference

Solution icon of github
Attempt to invoke virtual method 'java.io.FileInputStream com.koushikdutta.async.util.FileCache.get(java.lang.String)' on a null object reference

Solution icon of github
via GitHub by fuwaneko
, 1 year ago
Attempt to invoke virtual method 'java.io.FileInputStream com.koushikdutta.async.util.FileCache.get(java.lang.String)' on a null object reference

Solution icon of stackoverflow
via Stack Overflow by Mtoypc
, 1 year ago
Attempt to invoke virtual method 'java.io.FileInputStream android.content.res.AssetFileDescriptor.createInputStream()' on a null object reference

Solution icon of stackoverflow
Attempt to invoke virtual method 'boolean com.example.pooveshin.saica_sgb.DatabaseHelper.SaveUserMeetings(java.lang.String, java.lang.String, java.lang.String, java.lang.String)' on a null object reference

Solution icon of stackoverflow
via Stack Overflow by user2883071
, 1 year ago
Attempt to invoke virtual method 'long com.example.edit.DatabaseClass.insertRecord(java.lang.String, java.lang.String, java.lang.String, java.lang.String)' on a null object reference

Solution icon of github
Attempt to invoke virtual method 'java.lang.String java.lang.String.replaceFirst(java.lang.String, java.lang.String)' on a null object reference

Solution icon of github
via GitHub by Stonekity
, 8 months ago
Attempt to invoke virtual method 'java.lang.String java.lang.String.replaceAll(java.lang.String, java.lang.String)' on a null object reference

Solution icon of github
Attempt to invoke virtual method 'java.lang.String paulscode.android.mupen64plusae.profile.Profile.get(java.lang.String, java.lang.String)' on a null object reference

Stack trace

  • java.lang.NullPointerException: Attempt to invoke virtual method 'java.io.FileInputStream android.content.Context.openFileInput(java.lang.String)' on a null object reference at com.example.allwaystrack01.internalhtml_chat_demo.services.SystemWebService.fileReader(SystemWebService.java:115) at com.example.allwaystrack01.internalhtml_chat_demo.services.SystemWebService$WebAppInterface.returnContent(SystemWebService.java:176) at org.chromium.base.SystemMessageHandler.nativeDoRunLoopOnce(Native Method) at org.chromium.base.SystemMessageHandler.handleMessage(SystemMessageHandler.java:39) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:154) at android.os.HandlerThread.run(HandlerThread.java:61)

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