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Posted to dev@creadur.apache.org by "Sebb (JIRA)" <ji...@apache.org> on 2014/09/16 15:37:34 UTC
[jira] [Commented] (RAT-81) MalformedInputException thrown when RAT
tries reading file
[ https://issues.apache.org/jira/browse/RAT-81?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14135430#comment-14135430 ]
Sebb commented on RAT-81:
-------------------------
Also I'm not sure that the test files do have any errors in them
> MalformedInputException thrown when RAT tries reading file
> ----------------------------------------------------------
>
> Key: RAT-81
> URL: https://issues.apache.org/jira/browse/RAT-81
> Project: Apache Rat
> Issue Type: Bug
> Components: engine
> Affects Versions: 0.6, 0.7
> Environment: Linux (Ubuntu) on x86, running with "default" file encoding set to UTF-8
> Reporter: Marshall Schor
> Priority: Minor
> Fix For: 0.8
>
>
> To reproduce, set the platform default locale to something that indicates UTF-8 file encoding.
> This causes code in (for example) org.apache.rat.document.impl.FileDocument which return FileReader to set up RAT to use a reader which is using the platform default character encoding (in this case UTF-8).
> If the file being processed is not encoded in this , it is possible that the reader will read some data which is "invalid" UTF-8 encodings, which causes the reader to throw a MalformedInputException error.
> One case we found:
> The file being examined had invalid UTF-8 encodings. First, Rat ran the BinaryGuesser - but that returned false because it attempted to read the first 100 or so chars, and got a "MalformedInputException" instead, so the try/catch block just ended up returning "false" (not binary). Then the HeaderChecker tried to read the file to check the header, and got this same exception - but this time, it made RAT fail.
> Here's the last part of the stack trace:
> Caused by: org.apache.rat.report.RatReportFailedException: Analysis failed
> at org.apache.rat.report.xml.XmlReport.report(XmlReport.java:66)
> at org.apache.rat.mp.FilesReportable.run(FilesReportable.java:69)
> at org.apache.rat.Report.report(Report.java:292)
> at org.apache.rat.Report.report(Report.java:272)
> at org.apache.rat.mp.AbstractRatMojo.createReport(AbstractRatMojo.java:341)
> ... 23 more
> Caused by: org.apache.rat.document.RatDocumentAnalysisException: Cannot analyse header
> at org.apache.rat.report.analyser.DocumentHeaderAnalyser.analyse(DocumentHeaderAnalyser.java:54)
> at org.apache.rat.document.impl.util.DocumentAnalyserMultiplexer.analyse(DocumentAnalyserMultiplexer.java:37)
> at org.apache.rat.document.impl.util.ConditionalAnalyser.matches(ConditionalAnalyser.java:44)
> at org.apache.rat.document.impl.util.ConditionalAnalyser.analyse(ConditionalAnalyser.java:50)
> at org.apache.rat.report.xml.XmlReport.report(XmlReport.java:64)
> ... 27 more
> Caused by: org.apache.rat.analysis.RatHeaderAnalysisException: Cannot read header for /home/tgoetz/tmp/uimaj-2.3.1/uimaj-core/src/test/resources/pearTests/encodingTests/UTF16_with_signature.xml
> at org.apache.rat.report.analyser.HeaderCheckWorker.read(HeaderCheckWorker.java:96)
> at org.apache.rat.report.analyser.DocumentHeaderAnalyser.analyse(DocumentHeaderAnalyser.java:50)
> ... 31 more
> Caused by: sun.io.MalformedInputException
> at sun.io.ByteToCharUTF8.convert(ByteToCharUTF8.java:294)
> at sun.nio.cs.StreamDecoder$ConverterSD.convertInto(StreamDecoder.java:316)
> at sun.nio.cs.StreamDecoder$ConverterSD.implRead(StreamDecoder.java:366)
> at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:252)
> at java.io.InputStreamReader.read(InputStreamReader.java:212)
> at java.io.BufferedReader.fill(BufferedReader.java:157)
> at java.io.BufferedReader.readLine(BufferedReader.java:320)
> at java.io.BufferedReader.readLine(BufferedReader.java:383)
> at org.apache.rat.report.analyser.HeaderCheckWorker.readLine(HeaderCheckWorker.java:111)
> at org.apache.rat.report.analyser.HeaderCheckWorker.read(HeaderCheckWorker.java:89)
> ... 32 more
> Work-around: mark these files for explicit exclusion.
> Fix: change the binaryguesser to read the files in binary (not assuming any character coding) and operate with that data.
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