[PDFBOX-5223] Getting exception in PDDocument.load() in Android application after enabling ProGaurd

• Type: Wish
• Status: Closed
• Priority: Minor
• Resolution: Not A Problem
• Affects Version/s: 2.0.3, 2.0.24
• Component/s: PDModel
• Assignee: Andreas Lehmkühler
• Reporter: Sujeet Singh
• Created: 22/Jun/21 08:16
• Updated: 05/Sep/21 13:28
• Resolved: 05/Sep/21 13:28

Description

java.lang.RuntimeException: An error occurred while executing doInBackground()
at android.os.AsyncTask$4.done(AsyncTask.java:415)
at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:383)
at java.util.concurrent.FutureTask.setException(FutureTask.java:252)
at java.util.concurrent.FutureTask.run(FutureTask.java:271)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
at java.lang.Thread.run(Thread.java:923)
Caused by: java.lang.ExceptionInInitializerError
at org.apache.pdfbox.pdmodel.PDDocument.load(Unknown Source:0)
at com.sample.application.fragments.PrintQueueFragment$PrintTask.a(PrintQueueFragment.java:11)
at com.sample.application.fragments.PrintQueueFragment$PrintTask.doInBackground(PrintQueueFragment.java:1)
at android.os.AsyncTask$3.call(AsyncTask.java:394)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167) 
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641) 
at java.lang.Thread.run(Thread.java:923) 
Caused by: org.apache.commons.logging.LogConfigurationException: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.String.trim()' on a null object reference (Caused by java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.String.trim()' on a null object reference)
at org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:7)
at org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:3)
at org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:1)
at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:1)
at org.apache.pdfbox.pdmodel.PDDocument.<clinit>(PDDocument.java:1)
at org.apache.pdfbox.pdmodel.PDDocument.load(Unknown Source:0) 
at com.sample.application.fragments.PrintQueueFragment$PrintTask.a(PrintQueueFragment.java:11) 
at com.sample.application.fragments.PrintQueueFragment$PrintTask.doInBackground(PrintQueueFragment.java:1) 
at android.os.AsyncTask$3.call(AsyncTask.java:394) 
at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167) 
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641) 
at java.lang.Thread.run(Thread.java:923) 
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.String.trim()' on a null object reference
at org.apache.commons.logging.impl.LogFactoryImpl.createLogFromClass(LogFactoryImpl.java:27)
at org.apache.commons.logging.impl.LogFactoryImpl.discoverLogImplementation(LogFactoryImpl.java:19)
at org.apache.commons.logging.impl.LogFactoryImpl.newInstance(LogFactoryImpl.java:2)
at org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:3) 
at org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:1) 
at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:1) 
at org.apache.pdfbox.pdmodel.PDDocument.<clinit>(PDDocument.java:1) 
at org.apache.pdfbox.pdmodel.PDDocument.load(Unknown Source:0) 
at com.sample.application.fragments.PrintQueueFragment$PrintTask.a(PrintQueueFragment.java:11) 
at com.sample.application.fragments.PrintQueueFragment$PrintTask.doInBackground(PrintQueueFragment.java:1) 
at android.os.AsyncTask$3.call(AsyncTask.java:394) 
at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167) 
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641) 
at java.lang.Thread.run(Thread.java:923)