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prevent NPE in Bluetooth swap

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ACRA  E  ACRA caught a IllegalStateException for org.fdroid.fdroid.debug
                         E  java.lang.IllegalStateException: Fatal Exception thrown on Scheduler.Worker thread.
                         E      at rx.internal.schedulers.ScheduledAction.run(ScheduledAction.java:62)
                         E      at android.os.Handler.handleCallback(Handler.java:751)
                         E      at android.os.Handler.dispatchMessage(Handler.java:95)
                         E      at android.os.Looper.loop(Looper.java:154)
                         E      at android.app.ActivityThread.main(ActivityThread.java:6128)
                         E      at java.lang.reflect.Method.invoke(Native Method)
                         E      at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:889)
                         E      at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:779)
                         E  Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'int java.lang.String.hashCode()' on a
                            null object reference
                         E      at org.fdroid.fdroid.localrepo.peers.BonjourPeer.hashCode(BonjourPeer.java:41)
                         E      at sun.misc.Hashing.singleWordWangJenkinsHash(Hashing.java:48)
                         E      at java.util.HashMap.put(HashMap.java:423)
                         E      at java.util.HashSet.add(HashSet.java:217)
                         E      at rx.internal.operators.OperatorDistinct$1.onNext(OperatorDistinct.java:62)
                         E      at rx.internal.operators.OperatorObserveOn$ObserveOnSubscriber.pollQueue(OperatorObserveOn.java:202)
                         E      at rx.internal.operators.OperatorObserveOn$ObserveOnSubscriber$2.call(OperatorObserveOn.java:162)
                         E      at rx.internal.schedulers.ScheduledAction.run(ScheduledAction.java:55)
                         E      ... 7 more
This commit is contained in:
Hans-Christoph Steiner 2018-12-25 23:32:14 +01:00
parent 8ce4882c1d
commit 945dbdbd3c
1 changed files with 5 additions and 1 deletions
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6
app/src/full/java/org/fdroid/fdroid/localrepo/peers/BonjourPeer.java
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@ -38,7 +38,11 @@ public class BonjourPeer extends WifiPeer {
@Override @Override
public int hashCode() { public int hashCode() {
return getFingerprint().hashCode(); String fingerprint = getFingerprint();
if (fingerprint == null) {
return 0;
}
return fingerprint.hashCode();
} }
@Override @Override