[jira] [Updated] (CAMEL-7055) NullPointerException at FileInputStreamCache.(FileInputStreamCache.java:52) in connection with DataFormat.marshal

["Franz Forsthofer (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CAMEL-7055?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Franz Forsthofer updated CAMEL-7055:
------------------------------------

    Attachment: 0001-bug-CachedOutputStream-close.patch

> NullPointerException at FileInputStreamCache.<init>(FileInputStreamCache.java:52) in connection with DataFormat.marshal
> -----------------------------------------------------------------------------------------------------------------------
>
>                 Key: CAMEL-7055
>                 URL: https://issues.apache.org/jira/browse/CAMEL-7055
>             Project: Camel
>          Issue Type: Bug
>          Components: camel-core
>    Affects Versions: 2.12.2, 2.12.3
>            Reporter: Franz Forsthofer
>            Priority: Critical
>             Fix For: 2.12.3
>
>         Attachments: 0001-bug-CachedOutputStream-close.patch
>
>
> Stack Trace:
> {code}
> Caused by: java.lang.NullPointerException
> 	at org.apache.camel.converter.stream.FileInputStreamCache.<init>(FileInputStreamCache.java:52)
> 	at org.apache.camel.converter.stream.CachedOutputStream.newStreamCache(CachedOutputStream.java:199)
> 	at org.apache.camel.processor.MarshalProcessor.process(MarshalProcessor.java:79)
> {code}
> Error occurs, if streamCache is true and the stream is put into the file system because the spool threashold is reached. 
> The following is happening:
> The Marshall Processor handels over to the DataFroamat.marshal method a CachedOutputStream instance. In the marschal method data are writtin into the output stream, when the spool threshold is reached the data are streamed into the file system. Finally the output stream is closed and the CachedOutputStream instance deletes the cached file during closing. The next processor tries to read the FileInputStreamCache and gets the NullPointerException.
> Currently this problem can occur in the following DataFormat classes (because they close the stream, which is actually correct):
> GzipDataFormat
> CryptoDataFormat
> PGPDataFormat
> SerializationDataFormat
> XMLSecurityDataFormat
> ZipDataFormat
> My proposal is not to delete the cached file during closing the output stream. The cached file shall only be closed on the onCompletion event of the route. See attached patch.



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