Richard Hierlmeier created KARAF-7547:
-----------------------------------------
Summary: Karaf console terminates immediately when history file
contains an invalid character
Key: KARAF-7547
URL: https://issues.apache.org/jira/browse/KARAF-7547
Project: Karaf
Issue Type: Bug
Components: karaf
Affects Versions: 4.3.7
Reporter: Richard Hierlmeier
When the karaf.history file contains an invalid character, the Karaf console
terminates immediately. The following error appears in karaf.log.
{noformat}
2022-09-12 14:41:20,664 | ERROR | Karaf ssh console user de |
org.apache.karaf.shell.support.ShellUtil | 215 - org.apache.karaf.shell.core -
4.3.6 | Exception caught while executing command |
java.io.UncheckedIOException: java.nio.charset.MalformedInputException: Input
length = 1
at java.io.BufferedReader$1.hasNext(BufferedReader.java:574)
~[?:1.8.0_292]
at java.util.Iterator.forEachRemaining(Iterator.java:115)
~[?:1.8.0_292]
at
java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)
~[?:1.8.0_292]
at
java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:647)
~[?:1.8.0_292]
at
org.jline.reader.impl.history.DefaultHistory.load(DefaultHistory.java:86)
~[!/:?]
at
org.jline.reader.impl.history.DefaultHistory.attach(DefaultHistory.java:69)
~[!/:?]
at
org.jline.reader.impl.LineReaderImpl.readLine(LineReaderImpl.java:603) ~[!/:?]
at
org.apache.karaf.shell.impl.console.ConsoleSessionImpl.readCommand(ConsoleSessionImpl.java:444)
[!/:4.3.6]
at
org.apache.karaf.shell.impl.console.ConsoleSessionImpl.run(ConsoleSessionImpl.java:402)
[!/:4.3.6]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_292]
Caused by: java.nio.charset.MalformedInputException: Input length = 1 at
java.nio.charset.CoderResult.throwException(CoderResult.java:281)
~[?:1.8.0_292]
at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:339)
~[?:1.8.0_292]
at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:178) ~[?:1.8.0_292]
at java.io.InputStreamReader.read(InputStreamReader.java:184)
~[?:1.8.0_292]
at java.io.BufferedReader.fill(BufferedReader.java:161) ~[?:1.8.0_292]
at java.io.BufferedReader.readLine(BufferedReader.java:324) ~[?:1.8.0_292]
at java.io.BufferedReader.readLine(BufferedReader.java:389)
~[?:1.8.0_292]
at java.io.BufferedReader$1.hasNext(BufferedReader.java:571)
~[?:1.8.0_292] ... 9 more
{noformat}
The problem was caused by an editor that does not support UTF-8 encoding. The
user modified the file manually with this editor.
The user could no longer connect to Karaf.
Desired behavior:
Karaf should ignore the history file in this case.
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