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https://issues.apache.org/jira/browse/FOP-3142?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17750352#comment-17750352
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Simon Steiner commented on FOP-3142:
------------------------------------
Bundling xalan mean we have to make a new fop release for every xalan security
fix
> Fatal error when compiling large xsl templates
> ----------------------------------------------
>
> Key: FOP-3142
> URL: https://issues.apache.org/jira/browse/FOP-3142
> Project: FOP
> Issue Type: Bug
> Affects Versions: 2.8
> Reporter: Huy Ho
> Priority: Critical
>
> After we updated from FOP 2.6 to the latest FOP 2.8 version, our application
> is running into the following error when compiling our stylesheets (stack
> trace below). To get around this issue, we downloaded the latest xalan-j
> 2.7.3 library from [https://xalan.apache.org/xalan-j/index.html] and drop
> them in the fop/lib directory.
>
> {{java.lang.RuntimeException: XPATH_LIMIT}}
> {{ at
> java.xml/com.sun.org.apache.xalan.internal.xsltc.compiler.Parser.parseTopLevel(Parser.java:1165)}}
> {{ at
> java.xml/com.sun.org.apache.xalan.internal.xsltc.compiler.Parser.parseExpression(Parser.java:1112)}}
> {{ at
> java.xml/com.sun.org.apache.xalan.internal.xsltc.compiler.VariableBase.parseContents(VariableBase.java:250)}}
> {{ at
> java.xml/com.sun.org.apache.xalan.internal.xsltc.compiler.Param.parseContents(Param.java:106)}}
> {{ at
> java.xml/com.sun.org.apache.xalan.internal.xsltc.compiler.Stylesheet.parseOwnChildren(Stylesheet.java:587)}}
> {{ at
> java.xml/com.sun.org.apache.xalan.internal.xsltc.compiler.Stylesheet.parseContents(Stylesheet.java:559)}}
> {{ at
> java.xml/com.sun.org.apache.xalan.internal.xsltc.compiler.Import.parseContents(Import.java:132)}}
> {{ at
> java.xml/com.sun.org.apache.xalan.internal.xsltc.compiler.Stylesheet.parseOwnChildren(Stylesheet.java:597)}}
> {{ at
> java.xml/com.sun.org.apache.xalan.internal.xsltc.compiler.Stylesheet.parseContents(Stylesheet.java:559)}}
> {{ at
> java.xml/com.sun.org.apache.xalan.internal.xsltc.compiler.Parser.createAST(Parser.java:398)}}
> {{ at
> java.xml/com.sun.org.apache.xalan.internal.xsltc.compiler.XSLTC.compile(XSLTC.java:496)}}
> {{ at
> java.xml/com.sun.org.apache.xalan.internal.xsltc.compiler.XSLTC.compile(XSLTC.java:576)}}
> {{ at
> java.xml/com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl.newTemplates(TransformerFactoryImpl.java:1018)}}
> {{ at
> java.xml/com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl.newTransformer(TransformerFactoryImpl.java:817)}}
> {{ at
> org.apache.fop.cli.InputHandler.transformTo(InputHandler.java:274)}}
> {{ at org.apache.fop.cli.InputHandler.renderTo(InputHandler.java:116)}}
> {{ at org.apache.fop.cli.Main.startFOP(Main.java:183)}}
> {{ at org.apache.fop.cli.Main.main(Main.java:214)}}
>
> {{ERROR: 'JAXP0801003: the compiler encountered XPath expressions with an
> accumulated '10,001' operators that exceeds the '10,000' limit set by
> 'FEATURE_SECURE_PROCESSING'.'}}
> {{FATAL ERROR: 'JAXP0801003: the compiler encountered XPath expressions with
> an accumulated '10,001' operators that exceeds the '10,000' limit set by
> 'FEATURE_SECURE_PROCESSING'.'}}
> {{[ERROR] FOP - Exception <org.apache.fop.apps.FOPException:
> javax.xml.transform.TransformerConfigurationException: JAXP0801003: the
> compiler encountered XPath expressions with an accumulated '10,001' operators
> that exceeds the '10,000' limit set by 'FEATURE_SECURE_PROCESSING'.}}
> {{javax.xml.transform.TransformerConfigurationException: JAXP0801003: the
> compiler encountered XPath expressions with an accumulated '10,001' operators
> that exceeds the '10,000' limit set by
> 'FEATURE_SECURE_PROCESSING'.>org.apache.fop.apps.FOPException:
> javax.xml.transform.TransformerConfigurationException: JAXP0801003: the
> compiler encountered XPath expressions with an accumulated '10,001' operators
> that exceeds the '10,000' limit set by 'FEATURE_SECURE_PROCESSING'.}}
> {{javax.xml.transform.TransformerConfigurationException: JAXP0801003: the
> compiler encountered XPath expressions with an accumulated '10,001' operators
> that exceeds the '10,000' limit set by 'FEATURE_SECURE_PROCESSING'.}}
> {{ at
> org.apache.fop.cli.InputHandler.transformTo(InputHandler.java:296)}}
> {{ at org.apache.fop.cli.InputHandler.renderTo(InputHandler.java:116)}}
> {{ at org.apache.fop.cli.Main.startFOP(Main.java:183)}}
> {{ at org.apache.fop.cli.Main.main(Main.java:214)}}
> {{Caused by: javax.xml.transform.TransformerConfigurationException:
> JAXP0801003: the compiler encountered XPath expressions with an accumulated
> '10,001' operators that exceeds the '10,000' limit set by
> 'FEATURE_SECURE_PROCESSING'.}}
> {{ at
> java.xml/com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl.newTemplates(TransformerFactoryImpl.java:1061)}}
> {{ at
> java.xml/com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl.newTransformer(TransformerFactoryImpl.java:817)}}
> {{ at
> org.apache.fop.cli.InputHandler.transformTo(InputHandler.java:274)}}
> {{ ... 3 more}}
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