Jerome O'Flaherty created FOP-2599:
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Summary: XSLFO with SVG and ConserverMemory flag generates
Serialisation exception
Key: FOP-2599
URL: https://issues.apache.org/jira/browse/FOP-2599
Project: FOP
Issue Type: Bug
Components: fo/page
Affects Versions: 2.1
Reporter: Jerome O'Flaherty
OK, we have some very large XSL FO and have to use the conserve memory flag
with FOP to allow our XSLFO to generate PDF / AFP files from these large
inputs. When we include some SVG within the XSLFO (to generate some charts) the
serialisation which happens during the page generation process causes an
exception as it tries to serialise the SVG which ultimately causes some classes
within the batik-anim dependent module to generate the following exception:
java.io.NotSerializableException: org.apache.batik.anim.dom.SVGOMAnimatedString
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1184)
at
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
at
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1509)
at
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
at
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
at
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1509)
at
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
at
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
at
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1509)
at
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
at
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
To fix it I patched our local batik-anim jar to add Serialisation to
AnimatedAttributeListener.java, AnimatedLiveAttributeValue.java I change the
SVGOMDocument class member variable parsedURL be transient (otherwise it was
also causing a serialisation exception).
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