Report generation in java

Hi,
Is there any report generation packages or tools equivalent to seagate crystal reports or D2k Report builder in java
if so any code sample or reference?
Thank you
Ranjith.M

This is a design question not a programming question.

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    appreciate your help.

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  • Query preview works; report generation fails

    I have a report query pulling data from two tables that: works in MS SQL Management Studio with no errors, and when copied and pasted into the Query window in BIRT works with a resulting Preview window as expected. However, the moment I hit View (in HTML or PDF, my two preferred outputs), I get an error message stating that the Report viewer cannot convert:
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    Here it is:
    Stack Trace:
    org.eclipse.birt.report.engine.api.EngineException: A BIRT exception occurred. See next exception for more information.
    Can not convert the value of None to Integer type.
    at org.eclipse.birt.report.engine.executor.ExecutionContext.addException(ExecutionContext.java:1245)
    at org.eclipse.birt.report.engine.executor.ExecutionContext.addException(ExecutionContext.java:1224)
    at org.eclipse.birt.report.engine.executor.QueryItemExecutor.executeQuery(QueryItemExecutor.java:96)
    at org.eclipse.birt.report.engine.executor.TableItemExecutor.execute(TableItemExecutor.java:62)
    at org.eclipse.birt.report.engine.internal.executor.wrap.WrappedReportItemExecutor.execute(WrappedReportItemExecutor.java:46)
    at org.eclipse.birt.report.engine.internal.executor.emitter.ReportItemEmitterExecutor.execute(ReportItemEmitterExecutor.java:46)
    at org.eclipse.birt.report.engine.internal.executor.dup.SuppressDuplicateItemExecutor.execute(SuppressDuplicateItemExecutor.java:43)
    at org.eclipse.birt.report.engine.internal.executor.wrap.WrappedReportItemExecutor.execute(WrappedReportItemExecutor.java:46)
    at org.eclipse.birt.report.engine.internal.executor.l18n.LocalizedReportItemExecutor.execute(LocalizedReportItemExecutor.java:34)
    at org.eclipse.birt.report.engine.layout.html.HTMLBlockStackingLM.layoutNodes(HTMLBlockStackingLM.java:65)
    at org.eclipse.birt.report.engine.layout.html.HTMLPageLM.layout(HTMLPageLM.java:92)
    at org.eclipse.birt.report.engine.layout.html.HTMLReportLayoutEngine.layout(HTMLReportLayoutEngine.java:100)
    at org.eclipse.birt.report.engine.presentation.ReportDocumentBuilder.build(ReportDocumentBuilder.java:249)
    at org.eclipse.birt.report.engine.api.impl.RunTask.doRun(RunTask.java:269)
    at org.eclipse.birt.report.engine.api.impl.RunTask.run(RunTask.java:86)
    at org.eclipse.birt.report.service.ReportEngineService.runReport(ReportEngineService.java:1325)
    at org.eclipse.birt.report.service.BirtViewerReportService.runReport(BirtViewerReportService.java:158)
    at org.eclipse.birt.report.service.actionhandler.BirtRunReportActionHandler.__execute(BirtRunReportActionHandler.java:81)
    at org.eclipse.birt.report.service.actionhandler.BirtGetPageActionHandler.__checkDocumentExists(BirtGetPageActionHandler.java:58)
    at org.eclipse.birt.report.service.actionhandler.AbstractGetPageActionHandler.prepareParameters(AbstractGetPageActionHandler.java:118)
    at org.eclipse.birt.report.service.actionhandler.AbstractGetPageActionHandler.__execute(AbstractGetPageActionHandler.java:103)
    at org.eclipse.birt.report.service.actionhandler.AbstractBaseActionHandler.execute(AbstractBaseActionHandler.java:90)
    at org.eclipse.birt.report.soapengine.processor.AbstractBaseDocumentProcessor.__executeAction(AbstractBaseDocumentProcessor.java:47)
    at org.eclipse.birt.report.soapengine.processor.AbstractBaseComponentProcessor.executeAction(AbstractBaseComponentProcessor.java:143)
    at org.eclipse.birt.report.soapengine.processor.BirtDocumentProcessor.handleGetPage(BirtDocumentProcessor.java:87)
    at sun.reflect.GeneratedMethodAccessor78.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.eclipse.birt.report.soapengine.processor.AbstractBaseComponentProcessor.process(AbstractBaseComponentProcessor.java:112)
    at org.eclipse.birt.report.soapengine.endpoint.BirtSoapBindingImpl.getUpdatedObjects(BirtSoapBindingImpl.java:66)
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    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
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    at org.apache.axis.SimpleChain.invoke(SimpleChain.java:83)
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    at org.apache.axis.transport.http.AxisServlet.doPost(AxisServlet.java:699)
    at org.eclipse.birt.report.servlet.BirtSoapMessageDispatcherServlet.doPost(BirtSoapMessageDispatcherServlet.java:265)
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    at org.apache.axis.transport.http.AxisServletBase.service(AxisServletBase.java:327)
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    at org.eclipse.birt.report.servlet.BirtSoapMessageDispatcherServlet.service(BirtSoapMessageDispatcherServlet.java:122)
    at org.eclipse.equinox.http.registry.internal.ServletManager$ServletWrapper.service(ServletManager.java:180)
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    at org.eclipse.equinox.http.servlet.internal.ProxyServlet.service(ProxyServlet.java:60)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
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    at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:684)
    at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:503)
    at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:229)
    at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086)
    at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:429)
    at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
    at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020)
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
    at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
    at org.eclipse.jetty.server.Server.handle(Server.java:370)
    at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:494)
    at org.eclipse.jetty.server.AbstractHttpConnection.content(AbstractHttpConnection.java:982)
    at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:1043)
    at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:865)
    at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)
    at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
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    at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:53)
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    Can not convert the value of None to Integer type.
    at org.eclipse.birt.data.engine.core.DataException.wrap(DataException.java:123)
    at org.eclipse.birt.data.engine.expression.ExprEvaluateUtil.evaluateExpression(ExprEvaluateUtil.java:88)
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    at org.eclipse.birt.data.engine.impl.ResultIterator.prepareCurrentRow(ResultIterator.java:784)
    at org.eclipse.birt.data.engine.impl.ResultIterator.(ResultIterator.java:168)
    at org.eclipse.birt.data.engine.impl.QueryResults.getResultIterator(QueryResults.java:222)
    at org.eclipse.birt.report.engine.data.dte.QueryResultSet.(QueryResultSet.java:98)
    at org.eclipse.birt.report.engine.data.dte.DteDataEngine.doExecuteQuery(DteDataEngine.java:168)
    at org.eclipse.birt.report.engine.data.dte.DataGenerationEngine.doExecuteQuery(DataGenerationEngine.java:83)
    at org.eclipse.birt.report.engine.data.dte.AbstractDataEngine.execute(AbstractDataEngine.java:275)
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    Caused by: org.eclipse.birt.core.exception.CoreException: Can not convert the value of None to Integer type.
    at org.eclipse.birt.core.data.DataTypeUtil.toInteger(DataTypeUtil.java:276)
    at org.eclipse.birt.core.data.DataTypeUtil.convert(DataTypeUtil.java:104)
    at org.eclipse.birt.data.engine.expression.ExprEvaluateUtil.evaluateExpression(ExprEvaluateUtil.java:84)
    ... 82 more

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