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https://issues.apache.org/jira/browse/IBATIS-500?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12586386#action_12586386
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Clinton Begin commented on IBATIS-500:
--------------------------------------
Actually changed my mind. I will re-add them to the DTD for backward
compatibility. And I'll trap the usage and create warnings or possibly errors.
The errors you're seeing are general SAX parser errors. They're complaining
because the attributes aren't/weren't declared in the DTD.
I've found 3 minor things in 2.3.1 that together may warrant a 2.3.1.1 or 2.3.2
release.
Cheers,
Clinton
> Failure when using maxRequests in settings and misleading error message
> -----------------------------------------------------------------------
>
> Key: IBATIS-500
> URL: https://issues.apache.org/jira/browse/IBATIS-500
> Project: iBatis for Java
> Issue Type: Bug
> Affects Versions: 2.3.1
> Reporter: Stephane Bailliez
>
> Putting that as major even though it is trivial since it affects migration
> and I guess users would scratch their head a bit more than necessary.
> Upgrade from 2.1.7 which had a sqlmap config with settings:
> {noformat}
> <settings
> cacheModelsEnabled="true"
> enhancementEnabled="false"
> lazyLoadingEnabled="false"
> maxRequests="512"
> maxSessions="128"
> maxTransactions="32"
> useStatementNamespaces="true"
> errorTracingEnabled="true"
> />
> {noformat}
> And got an error message that led me scratching my head for a while until I
> digged in the source code to figure out it was no more used. But the message
> is terribly misleading ( 'Attribute "maxRequests" must be declared for
> element type "settings".)
> Removing maxRequests, maxSession, maxTransactions from the settings solves
> the problem.
> {noformat}
> Caused by: java.lang.RuntimeException: Error occurred. Cause:
> com.ibatis.common.xml.NodeletException: Error parsing XML. Cause:
> org.xml.sax.SAXParseException: Attribute "maxRequests" must be declared for
> element type "settings".
> at
> com.ibatis.sqlmap.engine.builder.xml.SqlMapConfigParser.parse(SqlMapConfigParser.java:65)
> at
> com.ibatis.sqlmap.client.SqlMapClientBuilder.buildSqlMapClient(SqlMapClientBuilder.java:90)
> at
> org.springframework.orm.ibatis.SqlMapClientFactoryBean.buildSqlMapClient(SqlMapClientFactoryBean.java:326)
> at
> org.springframework.orm.ibatis.SqlMapClientFactoryBean.afterPropertiesSet(SqlMapClientFactoryBean.java:280)
> at
> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1333)
> at
> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1299)
> ... 34 more
> Caused by: com.ibatis.common.xml.NodeletException: Error parsing XML. Cause:
> org.xml.sax.SAXParseException: Attribute "maxRequests" must be declared for
> element type "settings".
> at com.ibatis.common.xml.NodeletParser.parse(NodeletParser.java:62)
> at
> com.ibatis.sqlmap.engine.builder.xml.SqlMapConfigParser.parse(SqlMapConfigParser.java:62)
> ... 39 more
> Caused by: org.xml.sax.SAXParseException: Attribute "maxRequests" must be
> declared for element type "settings".
> at
> com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(ErrorHandlerWrapper.java:236)
> at
> com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.error(ErrorHandlerWrapper.java:172)
> at
> com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:382)
> at
> com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:316)
> at
> com.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator.addDTDDefaultAttrsAndValidate(XMLDTDValidator.java:1306)
> at
> com.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator.handleStartElement(XMLDTDValidator.java:1971)
> at
> com.sun.org.apache.xerces.internal.impl.dtd.XMLDTDValidator.emptyElement(XMLDTDValidator.java:816)
> at
> com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanStartElement(XMLDocumentFragmentScannerImpl.java:872)
> at
> com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(XMLDocumentFragmentScannerImpl.java:1693)
> at
> com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:368)
> at
> com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:834)
> at
> com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:764)
> at
> com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:148)
> at
> com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(DOMParser.java:250)
> at
> com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:292)
> at
> com.ibatis.common.xml.NodeletParser.createDocument(NodeletParser.java:189)
> at com.ibatis.common.xml.NodeletParser.parse(NodeletParser.java:59)
> ... 40 more
> {noformat}
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