[Bug]: Crash NPE in InAppMessagesManager.fetchMessages

[sarbyn]

What happened?

Fatal Exception: java.lang.NullPointerException: Attempt to invoke interface method 'int java.lang.CharSequence.length()' on a null object reference
       at com.onesignal.inAppMessages.internal.InAppMessagesManager.fetchMessages(InAppMessagesManager.kt:215)
       at com.onesignal.inAppMessages.internal.InAppMessagesManager.access$showMultiplePrompts(InAppMessagesManager.kt:50)
       at com.onesignal.inAppMessages.internal.InAppMessagesManager.access$fetchMessages(InAppMessagesManager.kt:50)
       at com.onesignal.inAppMessages.internal.InAppMessagesManager$onModelReplaced$1.invokeSuspend(InAppMessagesManager.kt:181)
       at com.onesignal.inAppMessages.internal.InAppMessagesManager$onModelReplaced$1.invoke(InAppMessagesManager.kt:2)
       at com.onesignal.inAppMessages.internal.InAppMessagesManager$onModelReplaced$1.invoke(InAppMessagesManager.kt:1)
       at com.onesignal.common.threading.ThreadUtilsKt$suspendifyOnThread$1$1.invokeSuspend(ThreadUtils.kt:61)
       at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33)
       at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:106)
       at kotlinx.coroutines.EventLoopImplBase.processNextEvent(EventLoop.common.kt:280)
       at kotlinx.coroutines.BlockingCoroutine.joinBlocking(BlockingCoroutine.java:85)
       at kotlinx.coroutines.BuildersKt__BuildersKt.runBlocking(BuildersKt__Builders.kt:59)
       at kotlinx.coroutines.BuildersKt.runBlocking(Builders.kt:1)
       at kotlinx.coroutines.BuildersKt__BuildersKt.runBlocking$default(BuildersKt__Builders.kt:38)
       at kotlinx.coroutines.BuildersKt.runBlocking$default(Builders.kt:1)
       at com.onesignal.common.threading.ThreadUtilsKt$suspendifyOnThread$1.invoke(ThreadUtils.kt:60)
       at com.onesignal.common.threading.ThreadUtilsKt$suspendifyOnThread$1.invoke(ThreadUtils.kt:59)
       at kotlin.concurrent.ThreadsKt$thread$thread$1.run(Thread.kt:30)

Steps to reproduce?

Version 5.0.2
We find this kind of crash on production, not on our test devices

What did you expect to happen?

No crash

OneSignal Android SDK version

5.0.2

Android version

13, 12, 11, 10, 9, 8, 7.0

Specific Android models

No response

Relevant log output

No response

Code of Conduct

• I agree to follow this project's Code of Conduct

[jennantilla]

@sarbyn thanks for reaching out! We'll investigate this and get back to you as soon as possible.

[jfishman1]

This should be fixed in the latest 5.1.2 https://github.com/OneSignal/OneSignal-Android-SDK/releases

Please let us know if you continue to see this issue and provide the full crash log including affected devices and operating system versions.