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https://issues.apache.org/jira/browse/OFBIZ-9200?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15852900#comment-15852900
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Jacques Le Roux commented on OFBIZ-9200:
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Another workaround is to create classes to use the images and use these classes
in fields widget-style attribute with a display using a description with only a
space. But this is quite circonvoluted when image is there!
> Form widget: the image element used in the field element does not work when
> used with an existing field value
> -------------------------------------------------------------------------------------------------------------
>
> Key: OFBIZ-9200
> URL: https://issues.apache.org/jira/browse/OFBIZ-9200
> Project: OFBiz
> Issue Type: Bug
> Components: framework
> Affects Versions: Release Branch 13.07, Release Branch 14.12, Trunk,
> Release Branch 15.12, Release Branch 16.11
> Reporter: Jacques Le Roux
>
> When you use the image element with a field name of an existing field value a
> fake chained request is weirdly called. This is true in both simple and
> list/grid forms, I did not test multi but I guess it's the same.
> For example if you add this line
> bq. <field name="exampleName"><image
> value="/images/defaultImage.jpg"/></field>
> just after the line
> bq. <field name="exampleName" title="${uiLabelMap.CommonName}"
> sort-field="true"><display/></field>
> in the ListExamples form you get as much as errors as there are examples, eg:
> {code}
> 2017-02-04 06:03:27,605 |http-nio-8443-exec-7 |ControlServlet
> |E| Error in request handler:
> org.apache.ofbiz.webapp.control.RequestHandlerException: Unknown request
> [Example 1]; this request does not exist or cannot be called directly.
> at
> org.apache.ofbiz.webapp.control.RequestHandler.doRequest(RequestHandler.java:197)
> ~[ofbiz.jar:?]
> at
> org.apache.ofbiz.webapp.control.ControlServlet.doGet(ControlServlet.java:210)
> [ofbiz.jar:?]
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:687)
> [javax.servlet-api-3.1.0.jar:3.1.0]
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
> [javax.servlet-api-3.1.0.jar:3.1.0]
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292)
> [tomcat-catalina-8.0.39.jar:8.0.39]
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
> [tomcat-catalina-8.0.39.jar:8.0.39]
> at
> org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
> [tomcat-embed-websocket-8.0.39.jar:8.0.39]
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
> [tomcat-catalina-8.0.39.jar:8.0.39]
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
> [tomcat-catalina-8.0.39.jar:8.0.39]
> at
> org.apache.ofbiz.webapp.control.ContextFilter.doFilter(ContextFilter.java:209)
> [ofbiz.jar:?]
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
> [tomcat-catalina-8.0.39.jar:8.0.39]
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
> [tomcat-catalina-8.0.39.jar:8.0.39]
> at
> org.apache.ofbiz.webapp.control.ControlFilter.doFilter(ControlFilter.java:156)
> [ofbiz.jar:?]
> at
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
> [tomcat-catalina-8.0.39.jar:8.0.39]
> at
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
> [tomcat-catalina-8.0.39.jar:8.0.39]
> at
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212)
> [tomcat-catalina-8.0.39.jar:8.0.39]
> at
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
> [tomcat-catalina-8.0.39.jar:8.0.39]
> at
> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
> [tomcat-catalina-8.0.39.jar:8.0.39]
> at
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)
> [tomcat-catalina-8.0.39.jar:8.0.39]
> at
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
> [tomcat-catalina-8.0.39.jar:8.0.39]
> at
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
> [tomcat-catalina-8.0.39.jar:8.0.39]
> at
> org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616)
> [tomcat-catalina-8.0.39.jar:8.0.39]
> at
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:509)
> [tomcat-catalina-8.0.39.jar:8.0.39]
> at
> org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1104)
> [tomcat-coyote-8.0.39.jar:8.0.39]
> at
> org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:684)
> [tomcat-coyote-8.0.39.jar:8.0.39]
> at
> org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1520)
> [tomcat-coyote-8.0.39.jar:8.0.39]
> at
> org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1476)
> [tomcat-coyote-8.0.39.jar:8.0.39]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> [?:1.8.0_112]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> [?:1.8.0_112]
> at
> org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
> [tomcat-util-8.0.39.jar:8.0.39]
> {code}
> As you can see from the stack trace it's a tricky bug
> A workaround is to use a non existing value as field name when you can, for
> instance combined with an use-when. But of course this is not satisfactory
> and you also can't use entry-name to bypass the issue.
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