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https://issues.apache.org/jira/browse/KARAF-6837?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17189180#comment-17189180
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ASF GitHub Bot commented on KARAF-6837:
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coheigea opened a new pull request #192:
URL: https://github.com/apache/karaf-decanter/pull/192
…are read from the InputStream for the rest-servlet + socket collectors
I put a configurable limit of 100000 bytes per-request, feel free to adjust
if it's too small.
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> Place a bound on the data read in the rest servlet + socket collectors
> ----------------------------------------------------------------------
>
> Key: KARAF-6837
> URL: https://issues.apache.org/jira/browse/KARAF-6837
> Project: Karaf
> Issue Type: Task
> Components: decanter
> Reporter: Colm O hEigeartaigh
> Priority: Major
>
> This task is to place a bound on the amount of data read in the rest servlet
> + socket collectors, as otherwise BufferedReader.readLine() will block until
> all data is read, potentially leading to a java.lang.OutOfMemoryError: Java
> heap space error.
> e.g. I see on sending a large file to the rest servlet collector:
> <table>
> <tr><th>URI:</th><td>/decanter/collect/rest-servlet</td></tr>
> <tr><th>STATUS:</th><td>500</td></tr>
> <tr><th>MESSAGE:</th><td>java.lang.OutOfMemoryError: Java heap space</td></tr>
> <tr><th>SERVLET:</th><td>org.ops4j.pax.web.service.spi.model.ServletModel-5</td></tr>
> <tr><th>CAUSED BY:</th><td>java.lang.OutOfMemoryError: Java heap
> space</td></tr>
> </table>
> <pre>java.lang.OutOfMemoryError: Java heap space
> at java.util.Arrays.copyOf(Arrays.java:3332)
> at
> java.lang.AbstractStringBuilder.ensureCapacityInternal(AbstractStringBuilder.java:124)
> at java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:596)
> at java.lang.StringBuilder.append(StringBuilder.java:190)
> at java.io.BufferedReader.readLine(BufferedReader.java:370)
> at java.io.BufferedReader.readLine(BufferedReader.java:389)
> at
> org.apache.karaf.decanter.collector.rest.servlet.RestServletCollector.doPost(RestServletCollector.java:86)
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