java.util.List.iterator()' on a null object reference #28
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First check if strings array has length more than 0 in this case because
the exception you've got may be invoked by the empty array.
…On Fri, Jun 5, 2020, 9:24 PM niteshfel ***@***.***> wrote:
java.lang.NullPointerException: Attempt to invoke interface method
'java.util.Iterator java.util.List.iterator()' on a null object reference
found exception when called
videoData = youtubeJExtractor.extract(strings[0]);
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no . strings[0] have values then this error occur |
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Please, provide the whole stacktrace then
…On Sat, Jun 6, 2020, 12:51 PM niteshfel ***@***.***> wrote:
no . strings[0] have values then this error occur
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An error occurred while executing doInBackground() stackTrace = {StackTraceElement[8]@13841} |
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No, this will not help. Just make a screenshot of the stacktrace in
console. Is this error reproducible with any video or the specific ones?
…On Sat, Jun 6, 2020, 1:46 PM niteshfel ***@***.***> wrote:
An error occurred while executing doInBackground()
stackTrace = ***@***.***}
lineNumber = 1167
7 = ***@***.***} "java.lang.Thread.run(Thread.java:919)"
5 = ***@***.***}
"java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)"
shadow$*monitor* = 0
methodName = "run"
shadow$*monitor* = 0
lineNumber = 641
1 = ***@***.***}
"java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:383)"
fileName = "FutureTask.java"
shadow$*monitor* = 0
shadow$*monitor* = 0
6 = ***@***.***}
"java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)"
shadow$*klass* = ***@***.***} "class java.lang.StackTraceElement"
fileName = "FutureTask.java"
3 = ***@***.***}
"java.util.concurrent.FutureTask.run(FutureTask.java:271)"
methodName = "run"
fileName = "ThreadPoolExecutor.java"
declaringClass = "android.os.AsyncTask$SerialExecutor$1"
methodName = "setException"
4 = ***@***.***}
"android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:289)"
shadow$*klass* = ***@***.***} "class java.lang.StackTraceElement"
lineNumber = 383
shadow$*klass* = ***@***.***} "class java.lang.StackTraceElement"
declaringClass = "android.os.AsyncTask$4"
shadow$*klass* = ***@***.***} "class java.lang.StackTraceElement"
fileName = "Thread.java"
methodName = "run"
shadow$*monitor* = 0
declaringClass = "java.util.concurrent.ThreadPoolExecutor"
declaringClass = "java.util.concurrent.FutureTask"
shadow$*monitor* = 0
shadow$*klass* = ***@***.***} "class java.lang.StackTraceElement"
fileName = "AsyncTask.java"
shadow$*klass* = ***@***.***} "class java.lang.StackTraceElement"
lineNumber = 399
lineNumber = 252
shadow$*monitor* = 0
2 = ***@***.***}
"java.util.concurrent.FutureTask.setException(FutureTask.java:252)"
declaringClass = "java.lang.Thread"
lineNumber = 271
methodName = "runWorker"
fileName = "ThreadPoolExecutor.java"
methodName = "finishCompletion"
fileName = "FutureTask.java"
shadow$*klass* = ***@***.***} "class java.lang.StackTraceElement"
declaringClass = "java.util.concurrent.FutureTask"
methodName = "run"
declaringClass = "java.util.concurrent.ThreadPoolExecutor$Worker"
0 = ***@***.***}
"android.os.AsyncTask$4.done(AsyncTask.java:399)"
methodName = "done"
declaringClass = "java.util.concurrent.FutureTask"
lineNumber = 919
shadow$*monitor* = 0
fileName = "AsyncTask.java"
shadow$*klass* = ***@***.***} "class java.lang.StackTraceElement"
lineNumber = 289
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Ok some videos found error not all video i will be share a screenshot
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@niteshfel I found what the problem is, I'll fix it ASAP. |
#28 Fix NPE, implement new callback based extract function
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@niteshfel fixed, check 0.3.0 version btw, thanks for the issues you're posting, it helps to improve the library a lot! |
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Your welcome man ! |
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java.lang.NullPointerException: Attempt to invoke interface method 'java.util.Iterator java.util.List.iterator()' on a null object reference
found exception when called
videoData = youtubeJExtractor.extract(strings[0]);
you can check this url for extract : https://www.youtube.com/watch?v=w2iqOwRvaFY
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