日期:2014-05-17  浏览次数:20763 次

哪位大侠用过JoSQL对象集查询 小弟刚学习 请教个初级问题
我在官网上扒的例子
 为什么会报异常呢
例子入下:
 
Java code

    // Get a list of java.io.File objects. 
        List myObjs = new ArrayList(); 

        // Create a new Query. 
        Query q = new Query(); 

        // Execute the query. 
        QueryResults qr = null;
        try {
            // Parse the SQL you are going to use. 
            q.parse("SELECT name,length FROM   java.io.File WHERE  name LIKE '%.java'"); 
            qr = q.execute(myObjs);
        } catch (QueryParseException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (QueryExecutionException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } 

        // Cycle over the query results. 
        List res = qr.getResults(); 
          System.out.println(res.size());
        for (int i = 0; i < res.size(); i++) {                  

        // Do something with the File. 

        } 
  



异常信息:
  java.lang.NoClassDefFoundError: com/gentlyweb/utils/Getter
at org.josql.expressions.Accessor.init(Accessor.java:55)
at org.josql.expressions.SelectItemExpression.init(SelectItemExpression.java:71)
at org.josql.Query.initSelect(Query.java:2485)
at org.josql.Query.init(Query.java:2410)
at org.josql.Query.parse(Query.java:2337)
at jUnit.TestUnit2.testJoSQL02(TestUnit2.java:110)
at jUnit.TestUnit2.testUnit01(TestUnit2.java:134)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.junit.internal.runners.TestMethodRunner.executeMethodBody(TestMethodRunner.java:99)
at org.junit.internal.runners.TestMethodRunner.runUnprotected(TestMethodRunner.java:81)
at org.junit.internal.runners.BeforeAndAfterRunner.runProtected(BeforeAndAfterRunner.java:34)
at org.junit.internal.runners.TestMethodRunner.runMethod(TestMethodRunner.java:75)
at org.junit.internal.runners.TestMethodRunner.run(TestMethodRunner.java:45)
at org.junit.internal.runners.TestClassMethodsRunner.invokeTestMethod(TestClassMethodsRunner.java:66)
at org.junit.internal.runners.TestClassMethodsRunner.run(TestClassMethodsRunner.java:35)
at org.junit.internal.runners.TestClassRunner$1.runUnprotected(TestClassRunner.java:42)
at org.junit.internal.runners.BeforeAndAfterRunner.runProtected(BeforeAndAfterRunner.java:34)
at org.junit.internal.runners.TestClassRunner.run(TestClassRunner.java:52)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:38)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)
Caused by: java.lang.ClassNotFoundException: com.gentlyweb.utils.Getter
at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
at java.security.AccessControlle