TeamAmaze / TeamAmaze/AmazeFileManager

`CoderMalfunctionError` on `PWD#execute`

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Area-FTP From-Email Issue-Bug
Dominant language
Kotlin
Stars
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Forks
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Avg merge
3d 9h
Merged PRs (30d)
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Description

Issue explanation (write below this line)

Exception

  • App Name: Amaze
  • Package: com.amaze.filemanager
  • Version: 3.10
  • User Action: UI Error
  • Request: Application crash
  • OS: Linux Android 12 - 31
  • Device: Infinix-X6515
  • Model: Infinix X6515
  • Product: X6515-OP
Crash log 

java.nio.charset.CoderMalfunctionError: java.lang.IllegalArgumentException:
Bad position 54/47
at java.nio.charset.CharsetEncoder.encode(CharsetEncoder.java:624)
at
org.apache.mina.core.buffer.AbstractIoBuffer.putString(AbstractIoBuffer.java:1811)
at
org.apache.ftpserver.listener.nio.FtpResponseEncoder.encode(FtpResponseEncoder.java:49)
at
org.apache.mina.filter.codec.ProtocolCodecFilter.filterWrite(ProtocolCodecFilter.java:299)
at
org.apache.mina.core.filterchain.DefaultIoFilterChain.callPreviousFilterWrite(DefaultIoFilterChain.java:629)
at
org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1500(DefaultIoFilterChain.java:48)
at
org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.filterWrite(DefaultIoFilterChain.java:957)
at
org.apache.mina.core.filterchain.IoFilterEvent.fire(IoFilterEvent.java:84)
at
org.apache.mina.filter.logging.MdcInjectionFilter.filter(MdcInjectionFilter.java:135)
at
org.apache.mina.filter.util.CommonEventFilter.filterWrite(CommonEventFilter.java:80)
at
org.apache.mina.core.filterchain.DefaultIoFilterChain.callPreviousFilterWrite(DefaultIoFilterChain.java:629)
at
org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1500(DefaultIoFilterChain.java:48)
at
org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.filterWrite(DefaultIoFilterChain.java:957)
at
org.apache.mina.core.filterchain.IoFilterAdapter.filterWrite(IoFilterAdapter.java:123)
at
org.apache.mina.core.filterchain.DefaultIoFilterChain.callPreviousFilterWrite(DefaultIoFilterChain.java:629)
at
org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1500(DefaultIoFilterChain.java:48)
at
org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.filterWrite(DefaultIoFilterChain.java:957)
at
org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.filterWrite(DefaultIoFilterChain.java:881)
at
org.apache.mina.core.filterchain.DefaultIoFilterChain.callPreviousFilterWrite(DefaultIoFilterChain.java:629)
at
org.apache.mina.core.filterchain.DefaultIoFilterChain.fireFilterWrite(DefaultIoFilterChain.java:622)
at
org.apache.mina.core.session.AbstractIoSession.write(AbstractIoSession.java:574)
at
org.apache.mina.core.session.AbstractIoSession.write(AbstractIoSession.java:519)
at org.apache.ftpserver.impl.FtpIoSession.write(FtpIoSession.java:530)
at
com.amaze.filemanager.filesystem.ftpserver.commands.PWD.execute(PWD.kt:53)
at
org.apache.ftpserver.impl.DefaultFtpHandler.messageReceived(DefaultFtpHandler.java:211)
at
org.apache.ftpserver.listener.nio.FtpHandlerAdapter.messageReceived(FtpHandlerAdapter.java:62)
at
org.apache.mina.core.filterchain.DefaultIoFilterChain$TailFilter.messageReceived(DefaultIoFilterChain.java:858)
at
org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:542)
at
org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1300(DefaultIoFilterChain.java:48)
at
org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:947)
at
org.apache.ftpserver.listener.nio.FtpLoggingFilter.messageReceived(FtpLoggingFilter.java:85)
at
org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:542)
at
org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1300(DefaultIoFilterChain.java:48)
at
org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:947)
at
org.apache.mina.core.filterchain.IoFilterEvent.fire(IoFilterEvent.java:74)
at
org.apache.mina.filter.logging.MdcInjectionFilter.filter(MdcInjectionFilter.java:135)
at
org.apache.mina.filter.util.CommonEventFilter.messageReceived(CommonEventFilter.java:70)
at
org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:542)
at
org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1300(DefaultIoFilterChain.java:48)
at
org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:947)
at
org.apache.mina.filter.codec.ProtocolCodecFilter$ProtocolDecoderOutputImpl.flush(ProtocolCodecFilter.java:398)
at
org.apache.mina.filter.codec.ProtocolCodecFilter.messageReceived(ProtocolCodecFilter.java:234)
at
org.apache.mina.core.filterchain.DefaultIoFilterChain.callNextMessageReceived(DefaultIoFilterChain.java:542)
at
org.apache.mina.core.filterchain.DefaultIoFilterChain.access$1300(DefaultIoFilterChain.java:48)
at
org.apache.mina.core.filterchain.DefaultIoFilterChain$EntryImpl$1.messageReceived(DefaultIoFilterChain.java:947)
at
org.apache.mina.core.filterchain.IoFilterEvent.fire(IoFilterEvent.java:74)
at org.apache.mina.core.session.IoEvent.run(IoEvent.java:63)
at
org.apache.mina.filter.executor.OrderedThreadPoolExecutor$Worker.runTask(OrderedThreadPoolExecutor.java:770)
at
org.apache.mina.filter.executor.OrderedThreadPoolExecutor$Worker.runTasks(OrderedThreadPoolExecutor.java:762)
at
org.apache.mina.filter.executor.OrderedThreadPoolExecutor$Worker.run(OrderedThreadPoolExecutor.java:704)
at java.lang.Thread.run(Thread.java:1012)
Caused by: java.lang.IllegalArgumentException: Bad position 54/47
at java.nio.Buffer.position(Buffer.java:287)
at java.nio.CharBuffer.position(CharBuffer.java:917)
at
com.android.icu.charset.CharsetEncoderICU.setPosition(CharsetEncoderICU.java:251)
at
com.android.icu.charset.CharsetEncoderICU.encodeLoop(CharsetEncoderICU.java:189)
at java.nio.charset.CharsetEncoder.encode(CharsetEncoder.java:622)
... 50 more

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with com.amaze.filemanager.filesystem.ftpserver.commands.PWD.kt at line 53 and trace the response through the FTP server stack shown in the crash log. Reproduce the PWD request on Android 12 if possible; done means the request no longer crashes with CoderMalfunctionError.

Written by the indexing model from the issue text.

Assessment

Tech stack
android, kotlin
Domain
mobile, networking
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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