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[处理中3] 第一次自定义js函数,老是报错,帮忙分析下原因

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发表于 2018-4-9 23:06:49 | 显示全部楼层 |阅读模式
自定义静态函数,老是报错,帮忙分析下原因。
1、java视图下,在lib目录里导入jar包,并重构路径,使jar包生效,设src、dsrc为源码路径;见图1
2、定义fn文件,见图2;
3、定义java文件,见图3、图4;
4、ontology文件,包含引用,见图5;
5、ontology概念模型中,定义关系默认值时,使用自定义js函数,见图6;
6、运行,报错,见图7.

图6.png
图7.png
图2.png
图1.png
图4.png
图3.png
图5.png

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发表于 2018-4-10 09:09:12 | 显示全部楼层
看tomcat控制台完整的错误信息
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 楼主| 发表于 2018-4-10 10:47:32 | 显示全部楼层
2018-04-10 10:45:25 excute stream action, params:{"accept":"application/json","action":"createCA_PSCYLBAction","actionFlag":"__action_0__","activity":"mainActivity","contentType":"json","executeContext":"","executor":"","parameters":{"defaultValues":{"fMasterID":"'DABCC56EC6064A01879CD818F33A231A'"},"table":{"@type":"table","rows":[],"userdata":{"idColumnDefine":"CA_PSCYLB","idColumnName":"CA_PSCYLB","idColumnType":"String","model":"/canaan_test/batch_test/data","relationAlias":"fCJD,fCJZQ,fMasterID,fPH,fSJTLL,fWLBH,fWLMC","relationTypes":"Integer,String,String,String,Float,String,String","relations":"CA_PSCYLB.fCJD,CA_PSCYLB.fCJZQ,CA_PSCYLB.fMasterID,CA_PSCYLB.fPH,CA_PSCYLB.fSJTLL,CA_PSCYLB.fWLBH,CA_PSCYLB.fWLMC","updateMode":"whereAll"}}},"process":"/canaan_test/batch_test/process/batchTest/batchTestProcess","translateParameter":{"cellnameByRelation":false,"dataType":"row-list","includeState":true,"rowsConfig":{"concept":"CA_PSCYLB","sequence":"CA_PSCYLB,calcCheckBox,fCJD,fCJZQ,fMasterID,fPH,fSJTLL,fWLBH,fWLMC"},"transformIdcolumn":true,"useNamespace":true}}
java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:497)
        at com.justep.system.action.Engine.invokeActions(Native Method)
        at com.justep.system.action.Engine.invokeActions(Unknown Source)
        at com.justep.business.server.BusinessServer.doAction(Unknown Source)
        at com.justep.business.server.BusinessServer.doExcute(Unknown Source)
        at com.justep.business.server.BusinessServer.excute(Unknown Source)
        at com.justep.business.server.BusinessServer.excute(Unknown Source)
        at com.justep.business.server.BusinessServerServlet.execService(Unknown Source)
        at com.justep.business.server.BusinessServerServlet.service(Unknown Source)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
        at com.justep.x.bs.BusinessServerServlet.service(Unknown Source)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:861)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:606)
        at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
        at java.lang.Thread.run(Thread.java:745)
Caused by: com.justep.model.exception.ModelException: 编码: JUSTEP154064; 提示: 计算表达式getDoubleSnapshots(72)出错
        at com.justep.model.exception.ModelException.create(Unknown Source)
        at com.justep.system.ksql.parser.ExpressionImpl.evaluate(Unknown Source)
        at com.justep.system.data.Expression.evaluate(Unknown Source)
        at com.justep.system.data.BizData.create(Unknown Source)
        at BizProcedure.create(BizProcedure.java:22)
        ... 27 more
Caused by: com.justep.model.exception.ModelException: 编码: JUSTEP154075; 提示: 调用函数getDoubleSnapshots出错
        at com.justep.model.exception.ModelException.create(Unknown Source)
        at com.justep.system.ksql.parser.ExpressionImpl.functionExpression(Unknown Source)
        at com.justep.system.ksql.parser.ExpressionImpl.constExpression(Unknown Source)
        at com.justep.system.ksql.parser.ExpressionImpl.unaryExpression(Unknown Source)
        at com.justep.system.ksql.parser.ExpressionImpl.multiExpression(Unknown Source)
        at com.justep.system.ksql.parser.ExpressionImpl.addExpression(Unknown Source)
        at com.justep.system.ksql.parser.ExpressionImpl.compExpression(Unknown Source)
        at com.justep.system.ksql.parser.ExpressionImpl.notExpression(Unknown Source)
        at com.justep.system.ksql.parser.ExpressionImpl.andExpression(Unknown Source)
        at com.justep.system.ksql.parser.ExpressionImpl.orExpression(Unknown Source)
        ... 31 more
Caused by: java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:497)
        ... 40 more
Caused by: java.lang.NullPointerException
        at com.rtdb.test.SnapshotTest.getDoubleSnapshots(SnapshotTest.java:57)
        ... 44 more
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发表于 2018-4-10 11:13:12 | 显示全部楼层
Caused by: java.lang.NullPointerException
        at com.rtdb.test.SnapshotTest.getDoubleSnapshots(SnapshotTest.java:57)

java代码中第57行报的空指针异常,加上为空的判断
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