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    #1

    duration SimpleType

    SmartClient Version: v13.1p_2026-02-20/Enterprise Deployment (built 2026-02-20)

    Hi, I’m trying to define a SimpleType because I need to handle a duration (e.g., of a video), and I noticed that if I use name="duration", when the SimpleType is loaded (I have PreCache enabled) it goes into an infinite loop and I get a StackOverflowError.

    Do I need to completely avoid that name, or is this something that can be resolved?
    Tags: None
    #2
    hi Claudio - can you show your SimpleType definition and a usage?

    Comment

      #3
      Yes, of course:

      Code:
      <SimpleType name="duration" inheritsFrom="time" editorType="TimeItem">
    <validators>
        <validator type="serverCustom">
            <serverObject lookupStyle="new" className="com.my.DurationCustomType"/>
        </validator>
    </validators>
</SimpleType>
      actually it's not necessary to use it for a DataSourceField, and I get this after tomcat startup:

      Code:
      20-Feb-2026 16:22:18.707 GRAVE [RMI TCP Connection(2)-127.0.0.1] org.apache.catalina.core.ApplicationContext.log Servlet.init() for servlet [PreCache] threw exception
    java.lang.StackOverflowError
        at org.apache.catalina.loader.WebappClassLoaderBase.getResourceAsStream(WebappClassLoaderBase.java:1075)
        at org.apache.xerces.parsers.SecuritySupport$6.run(Unknown Source)
        at java.base/java.security.AccessController.doPrivileged(Native Method)
        at org.apache.xerces.parsers.SecuritySupport.getResourceAsStream(Unknown Source)
        at org.apache.xerces.parsers.ObjectFactory.findJarServiceProvider(Unknown Source)
        at org.apache.xerces.parsers.ObjectFactory.createObject(Unknown Source)
        at org.apache.xerces.parsers.ObjectFactory.createObject(Unknown Source)
        at org.apache.xerces.parsers.DOMParser.<init>(Unknown Source)
        at org.apache.xerces.parsers.DOMParser.<init>(Unknown Source)
        at org.apache.xerces.jaxp.DocumentBuilderImpl.<init>(Unknown Source)
        at org.apache.xerces.jaxp.DocumentBuilderFactoryImpl.newDocumentBuilder(Unknown Source)
        at com.isomorphic.xml.XML.parseXML(XML.java:312)
        at com.isomorphic.xml.XML.parseXML(XML.java:152)
        at com.isomorphic.xml.XML.toDSRecords(XML.java:515)
        at com.isomorphic.xml.XML$RecordsFromXMLCache.loadObjectFromFile(XML.java:715)
        at com.isomorphic.store.ProcessedFileCache.loadAndUnwrapObjectFromFile(ProcessedFileCache.java:222)
        at com.isomorphic.store.ProcessedFileCache.getObjectFromFile(ProcessedFileCache.java:177)
        at com.isomorphic.xml.XML.loadCacheableDSRecords(XML.java:727)
        at com.isomorphic.store.DataStructCache.loadInstance(DataStructCache.java:220)
        at com.isomorphic.store.DataStructCache.loadInstance(DataStructCache.java:203)
        at com.isomorphic.store.DataStructCache.loadInstance(DataStructCache.java:196)
        at com.isomorphic.store.DataStructCache.loadInstance(DataStructCache.java:191)
        at com.isomorphic.datasource.ValidationContext.getCustomSimpleType(ValidationContext.java:504)
        at com.isomorphic.datasource.BasicDataSource.getSimpleType(BasicDataSource.java:3661)
        at com.isomorphic.datasource.BasicDataSource.getType(BasicDataSource.java:3634)
        at com.isomorphic.datasource.BasicDataSource.findElementType(BasicDataSource.java:3319)
        at com.isomorphic.datasource.BasicDataSource.elementAsRecord(BasicDataSource.java:2267)
        at com.isomorphic.datasource.BasicDataSource.toRecord(BasicDataSource.java:2011)
        at com.isomorphic.datasource.BasicDataSource.handleExtraElementValue(BasicDataSource.java:2915)
        at com.isomorphic.datasource.BasicDataSource.elementAsRecord(BasicDataSource.java:2790)
        at com.isomorphic.datasource.BasicDataSource.toRecord(BasicDataSource.java:2011)
        at com.isomorphic.datasource.BasicDataSource.handleExtraElementValue(BasicDataSource.java:2915)
        at com.isomorphic.datasource.BasicDataSource.elementAsRecord(BasicDataSource.java:2790)
        at com.isomorphic.datasource.BasicDataSource.toRecord(BasicDataSource.java:2011)
        at com.isomorphic.datasource.BasicDataSource.toRecords(BasicDataSource.java:1970)
        at com.isomorphic.datasource.DataSource.recordsFromXML(DataSource.java:2987)
        at com.isomorphic.xml.XML.toDSRecords(XML.java:529)
        at com.isomorphic.xml.XML.toDSRecords(XML.java:515)
        at com.isomorphic.xml.XML$RecordsFromXMLCache.loadObjectFromFile(XML.java:715)
        at com.isomorphic.store.ProcessedFileCache.loadAndUnwrapObjectFromFile(ProcessedFileCache.java:222)
        at com.isomorphic.store.ProcessedFileCache.getObjectFromFile(ProcessedFileCache.java:177)
        at com.isomorphic.xml.XML.loadCacheableDSRecords(XML.java:727)
        at com.isomorphic.store.DataStructCache.loadInstance(DataStructCache.java:220)
        at com.isomorphic.datasource.DataSource.loadDS(DataSource.java:617)
        at com.isomorphic.datasource.DataSource.forName(DataSource.java:577)
        at com.isomorphic.datasource.PoolableDataSourceFactory.makeUnpooledObject(PoolableDataSourceFactory.java:128)
        at com.isomorphic.datasource.PoolableDataSourceFactory.makeObject(PoolableDataSourceFactory.java:154)
        at org.apache.commons.pool.impl.GenericKeyedObjectPool.borrowObject(GenericKeyedObjectPool.java:1220)
        at com.isomorphic.pool.PoolManager.borrowObject(PoolManager.java:90)
        at com.isomorphic.datasource.DataSourceManager._getDataSource(DataSourceManager.java:214)
        at com.isomorphic.datasource.DataSourceManager.getDataSource(DataSourceManager.java:163)
        at com.isomorphic.datasource.ValidationContext.getType(ValidationContext.java:453)
        at com.isomorphic.datasource.ValidationContext.getType(ValidationContext.java:415)
        at com.isomorphic.datasource.BasicDataSource.findDataSource(BasicDataSource.java:3739)
        at com.isomorphic.datasource.BasicDataSource.getType(BasicDataSource.java:3630)
        at com.isomorphic.datasource.BasicDataSource.getFieldType(BasicDataSource.java:3359)
        at com.isomorphic.datasource.BasicDataSource.validateFieldValue(BasicDataSource.java:3004)
        at com.isomorphic.datasource.BasicDataSource.validateFieldValue(BasicDataSource.java:2988)
        at com.isomorphic.datasource.BasicDataSource.elementAsRecord(BasicDataSource.java:2662)
        at com.isomorphic.datasource.BasicDataSource.toRecord(BasicDataSource.java:2011)
        at com.isomorphic.datasource.BasicDataSource.toRecords(BasicDataSource.java:1970)
        at com.isomorphic.datasource.DataSource.recordsFromXML(DataSource.java:2987)
        at com.isomorphic.xml.XML.toDSRecords(XML.java:529)
        at com.isomorphic.xml.XML.toDSRecords(XML.java:515)
        at com.isomorphic.xml.XML$RecordsFromXMLCache.loadObjectFromFile(XML.java:715)
        at com.isomorphic.store.ProcessedFileCache.loadAndUnwrapObjectFromFile(ProcessedFileCache.java:222)
        at com.isomorphic.store.ProcessedFileCache.getObjectFromFile(ProcessedFileCache.java:177)
        at com.isomorphic.xml.XML.loadCacheableDSRecords(XML.java:727)
        at com.isomorphic.store.DataStructCache.loadInstance(DataStructCache.java:220)
        at com.isomorphic.store.DataStructCache.loadInstance(DataStructCache.java:203)
        at com.isomorphic.store.DataStructCache.loadInstance(DataStructCache.java:196)
        at com.isomorphic.store.DataStructCache.loadInstance(DataStructCache.java:191)
        at com.isomorphic.datasource.ValidationContext.getCustomSimpleType(ValidationContext.java:504)
....

      Comment

        #4
        Thanks - it looks like we had two caches not playing well together - we've made a fix for it, and it should be in tomorrow's builds.

        Comment

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