MagnoliaV2Filter emits bogus and unbalanced sv:value element - may cause
StackOverflow on large imports
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Key: MAGNOLIA-2653
URL: http://jira.magnolia-cms.com/browse/MAGNOLIA-2653
Project: Magnolia
Issue Type: Bug
Components: core
Affects Versions: 3.6.3
Environment: JDK1.6, WIn2000 and Suse Linux
Reporter: Henryk Paluch
Assignee: Philipp Bracher
MagnoliaV2Filter (user also when importing repository) data emits bogus
sv:value and unbalanced sv:value tag. When importing large repositories (3GB
with thousands of Documents) this may cause stack overflow due extreme element
nesting:
Caused by: java.lang.StackOverflowError
at java.util.HashMap.get(HashMap.java:300)
at
org.apache.jackrabbit.core.xml.NamespaceContext.getURI(NamespaceContext.java:93)
at
org.apache.jackrabbit.core.xml.NamespaceContext.getURI(NamespaceContext.java:97)
at
org.apache.jackrabbit.core.xml.NamespaceContext.getURI(NamespaceContext.java:97)
at
org.apache.jackrabbit.core.xml.NamespaceContext.getURI(NamespaceContext.java:97)
at
org.apache.jackrabbit.core.xml.NamespaceContext.getURI(NamespaceContext.java:97)
at
org.apache.jackrabbit.core.xml.NamespaceContext.getURI(NamespaceContext.java:97)
at
org.apache.jackrabbit.core.xml.NamespaceContext.getURI(NamespaceContext.java:97)
...
(thousands of lines)
It turned out, that this overflow is caused by MagnoliaV2Filter when replacing
jcr:primary of MetataData type.
Here is excerpt from input data:
<sv:node sv:name="MetaData">
<sv:property sv:name="jcr:primaryType" sv:type="Name">
<sv:value>mgnl:metaData</sv:value>
</sv:property>
<sv:property sv:name="jcr:created" sv:type="Date">
<sv:value>2009-03-09T12:20:25.822+01:00</sv:value>
</sv:property>
Which is by this filter transormed into:
<sv:node sv:name="MetaData">
<sv:property sv:name="jcr:primaryType" sv:type="Name">
<sv:value>mgnl:metaData</sv:value>
</sv:property>
<sv:value>mgnl:metaData
<sv:property sv:name="jcr:created"
sv:type="Date">
<sv:value>2009-03-09T12:20:25.822+01:00</sv:value>
</sv:property>
There is a clear difference - an spurious (and unclosed)
<sv:value>mgnl:metaData element
I'm supposed that its startElement() method is missing somehting like
if (skipProperty && qName.equals("sv:value") ){
skipValue = true;
return;
}
I shall try and send possible fix hopefully in few days.
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