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断点 — Thu, 07 Oct 2010 03:54:00 GMT

1、http://www.jar114.com/site.html
该网站可以提供我们项目中�l�常需要的jar包，如果�~�少包，��可以在�q�里查找�?

断点 2010-10-07 11:54 发表评论

*.jpdl.xml中出��C��文�ؕ码的问题

断点 — Tue, 05 Oct 2010 13:06:00 GMT

��程定义文�g*.jpdl.xml中如果有中文��q��Q�肯定是task中有中文�?br />
需要在eclipse安装软�g下，即E:\eclipse\eclipse.ini增加
-Dfile.encoding=UTF-8
然后重启eclipse卛_��解决�?

断点 2010-10-05 21:06 发表评论

断点 — Tue, 05 Oct 2010 13:01:00 GMT

配置jbpm4工程的运行环境：
1、添加依赖库�?br /> E:\JBPM\jbpm-4.3\jbpm.jar
E:\JBPM\jbpm-4.3\lib下的jar包�?/p>

2、添加配�|�文件�?br /> E:\JBPM\jbpm-4.3\examples\src下的配置文�g拯��到自己java工程的src下�?br />

---------------------------------------------------------------
��理��程定义�Q�发布流�E�定义、查看流�E�定义、删除流�E�定义�?br /> RepositoryService repositoryService = processEngine.getRepositoryService();

String deploymentId = repositoryService.createDeployment().addResourceFromClasspath

("helloworld.jpdl.xml").deploy();
List list = repositoryService.createProcessDefinitionQuery().list();
repositoryService.deleteDeploymentCascade(deploymentId);
---------------------------------------------------------------

��理��程实例�Q�发��h��程、执行等待的��程、查看流�E�实例、终止流�E�实例、删除流�E�实例�?br /> ExecutionService executionService = processEngine.getExecutionService();

ProcessInstance pi = executionService.startProcessInstanceByKey("helloworld");
ProcessInstance pi = executionService.signalExecutionById(pi.getId()); //执行�{�待的流�E?
List list = executionService.createProcessInstanceQuery().list();
executionService.endProcessInstance(pi.getId(), "cancel");
executionService.deleteProcessInstanceCascade(pi.getId());

TaskService taskService = processEngine.getTaskService();
taskService.completeTask(taskId, map);

控制��程的活动：Start、End、Decision、Fork、Join、Sub-process、State、task.
原子�z�d��Q�java、script、sql、hql、email�?/p>

断点 2010-10-05 21:01 发表评论

eclipse3.5 + jbpm4环境搭徏

断点 — Tue, 05 Oct 2010 08:37:00 GMT

配置开发环境：
1、jbpm4�Q�http://sourceforge.net/projects/jbpm/files/ 下选择jbpm-4.3.zip 137.9M

2、eclipse3.5版本以上 : http://www.eclipse.org/downloads/ 下选择 Eclipse IDE for Java EE 190M

3、GPD (Graphical Process Designer)插�g�Q��\径：E:\jbpm-4.3\install\src\gpd\jbpm-gpd-site.zip�?br /> 通过Eclipse-->help-->Install New Software-->Add-->Archive到插件所在�\径�?/p>

断点 2010-10-05 16:37 发表评论

java.lang.NullPointerException

断点 — Mon, 04 Oct 2010 16:39:00 GMT

java.lang.NullPointerException
at jxl.read.biff.File.(File.java:77)
at jxl.Workbook.getWorkbook(Workbook.java:250)
at jxl.Workbook.getWorkbook(Workbook.java:235)
at org.drools.decisiontable.parser.xls.ExcelParser.parseFile(ExcelParser.java:76)
at org.drools.decisiontable.SpreadsheetCompiler.compile(SpreadsheetCompiler.java:89)
at org.drools.decisiontable.SpreadsheetCompiler.compile(SpreadsheetCompiler.java:68)
at com.sample.DecisionTableTest.readDecisionTable(DecisionTableTest.java:59)
at com.sample.DecisionTableTest.main(DecisionTableTest.java:36)

Drools调用readDecisionTable()�Ҏ��里面一处�ؓ�Q?br /> InputStream is = DecisionTableTest.class.getResourceAsStream("rules\\Sample.xls");
final String drl = converter.compile( is, InputType.XLS );
需改�ؓ如下�Q�取的class即错误解冟�?br /> InputStream is = DecisionTableTest.class.getClassLoader().getResourceAsStream("rules\\Sample.xls");
final String drl = converter.compile( is, InputType.XLS );

断点 2010-10-05 00:39 发表评论

org.mvel.CompileException: can not resolve identifier: 'declr'

断点 — Mon, 04 Oct 2010 16:32:00 GMT

org.mvel.CompileException: can not resolve identifier: 'declr'
at org.mvel.ASTNode.getReducedValue(ASTNode.java:315)
at org.mvel.ast.PropertyASTNode.getReducedValue(PropertyASTNode.java:29)
at org.mvel.MVELInterpretedRuntime.parseAndExecuteInterpreted(MVELInterpretedRuntime.java:103)
at org.mvel.MVELInterpretedRuntime.parse(MVELInterpretedRuntime.java:51)
at org.mvel.TemplateInterpreter.execute(TemplateInterpreter.java:428)
at org.mvel.TemplateInterpreter.parse(TemplateInterpreter.java:320)
at org.drools.rule.builder.dialect.java.AbstractJavaBuilder.generatTemplates(AbstractJavaBuilder.java:113)
at org.drools.rule.builder.dialect.java.JavaConsequenceBuilder.build(JavaConsequenceBuilder.java:95)
at org.drools.rule.builder.RuleBuilder.build(RuleBuilder.java:67)
at org.drools.compiler.PackageBuilder.addRule(PackageBuilder.java:446)
at org.drools.compiler.PackageBuilder.addPackage(PackageBuilder.java:304)
at org.drools.compiler.PackageBuilder.addPackageFromDrl(PackageBuilder.java:167)
at com.sample.DecisionTableTest.readDecisionTable(DecisionTableTest.java:63)
at com.sample.DecisionTableTest.main(DecisionTableTest.java:36)

替换mvel.jar为mvel14-1.2.10.jar后不再报错，好像是jar包的问题�?br /> 看了下jar包里面的org.mvel.ASTNode.getReducedValue�Ҏ��已经注释掉了�?/span>

断点 2010-10-05 00:32 发表评论

WARNING: Wasn't able to correctly close stream for decision table. nulljava.lang.NullPointerException

断点 — Mon, 04 Oct 2010 16:22:00 GMT

WARNING: Wasn't able to correctly close stream for decision table. nulljava.lang.NullPointerException
at jxl.read.biff.File.(File.java:77)
at jxl.Workbook.getWorkbook(Workbook.java:250)
at jxl.Workbook.getWorkbook(Workbook.java:235)
at org.drools.decisiontable.parser.xls.ExcelParser.parseFile(ExcelParser.java:76)
at org.drools.decisiontable.SpreadsheetCompiler.compile(SpreadsheetCompiler.java:89)
at org.drools.decisiontable.SpreadsheetCompiler.compile(SpreadsheetCompiler.java:68)
at org.drools.decisiontable.SpreadsheetCompiler.compile(SpreadsheetCompiler.java:110)
at com.sample.DecisionTableTest.readDecisionTable(DecisionTableTest.java:57)
at com.sample.DecisionTableTest.main(DecisionTableTest.java:35)

在web��目中的原先的写法�ؓ�Q?br /> final String drl = converter.compile( "rules\\Sample.xls", InputType.XLS );

参考了下别人的写法�Q�改��Z��面的方式�q�行处理�Q?nbsp;
InputStream is = DecisionTableTest.class.getClassLoader().getResourceAsStream("rules\\Sample.xls");
final String drl = converter.compile( is, InputType.XLS );

断点 2010-10-05 00:22 发表评论

断点 — Mon, 04 Oct 2010 04:00:00 GMT

�׃��drools有新版本了，所以与MyEclipse整合�q�行了解下�?br /> 整合步骤如下�Q?br /> 1、下载MyEclipse 8.5�Q?br /> 2、在http://www.jboss.org/drools/downloads.html下蝲Drools Eclipse 3.5 Workbench 5.1 插�g�Q?br /> 3、在E:\MyEclipse8.5下新�?个文�Ӟ��links、myplugins�?br /> E:\MyEclipse 8.5\links�Q�放drools.link配置文�g�Q�内容�ؓpath=E:\\MyEclipse 8.5\\myplugins\\drools\\
E:\MyEclipse 8.5\myplugins�Q�放drools文�g�Q�该E:\MyEclipse 8.5\myplugins\drools\eclipse下放�|�从�|�上下蝲的drools插�g的features和plugins�?br /> 4、重启MyEclipse 8.5卛_��看见drools图标�?br /> 5、安装Jboss�Q�下载jboss-5.0.0.GA�Q�解压即可�?br /> 打开MyEclipse->window->Preference->MyEclipse->Servers->JBoss->JBoss 5.x�q�行jre及相关配�|��?

断点 2010-10-04 12:00 发表评论

Exception in thread "main" java.lang.UnsupportedClassVersionError

断点 — Sat, 02 Oct 2010 15:52:00 GMT

在命令行下运行java�E�序�Q�出现如上异常Exception in thread "main" java.lang.UnsupportedClassVersionError�?br />
主要是jdk的版本被oracle�l�换成低版本了�?br /> 可以在命令行下输入：javac -version 查看版本�Q�最后把%JAVA_HOME%\bin;��d��到Oracle之前�Q�再重开启电脑，�~�译�Q�运行即可�?br />
可以查考：http://hi.baidu.com/tianxingacer/blog/item/e628b947ffc54f016a63e5ac.html/cmtid/1fe1e9ae1dc5b9f6faed50d9

断点 2010-10-02 23:52 发表评论

调出IE8的JS调试功能

断点 — Mon, 23 Aug 2010 07:34:00 GMT

我的机器以前装的是offices2003自带的js调试工具�Q�昨天按照上IE8后，js调试工具有时候是ie8的调试界面，有时是ie6的调试界面，�l�网上查扑ַ�扑ֈ�原因�?br />
主要是我把IE8�?#8216;脚本’下的“启动调试”�l�关了，所以最后只出现ie6的调试界面�?br />
解决�Ҏ��Q�打开IE8后，点击"工具"->"开发�h员工�?,或者快捷键F12�Q�会打开��面调试�H�口�?br />

断点 2010-08-23 15:34 发表评论