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https://issues.apache.org/jira/browse/KARAF-6837?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17189251#comment-17189251
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ASF subversion and git services commented on KARAF-6837:
--------------------------------------------------------
Commit 2b94e6f25fad33aea5ceddd44181e5b2d8384dc3 in karaf-decanter's branch
refs/heads/master from Colm O hEigeartaigh
[ https://gitbox.apache.org/repos/asf?p=karaf-decanter.git;h=2b94e6f ]
KARAF-6837 - Use BoundedInputStream to put a limit on how many bytes are read
from the InputStream for the rest-servlet + socket collectors
> 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: Improvement
> Components: decanter
> Reporter: Colm O hEigeartaigh
> Assignee: Jean-Baptiste Onofré
> Priority: Major
> Fix For: decanter-2.6.0
>
>
> 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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