digester为null啊,你看看是怎么回事吧
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- NullPointerException几天都没解决的问题
问题只能在这里了
System.out.println(in);
SalesConfig config = null;
try {
if (in != null)
System.out.println(digester.parse(in));
config = (SalesConfig)digester.parse(in);异常行又为“System.out.println(digester.parse(in));”这一行,这行抛出异常也就没打印结果了 谢谢v38,再帮小弟看看
static {
Digester digester = new Digester();
digester.setValidating(false); // 设置处理规则
digester.addObjectCreate("config", "cn.hsales.sales.config.SalesConfig");
digester.addSetProperties("config"); digester.addObjectCreate("config/dao","cn.hsales.sales.config.DaoConfig");
digester.addSetProperties("config/dao");
digester.addSetNext("config/dao", "addDao","cn.hsales.sales.config.DaoConfig"); ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
//InputStream in = null;
in = classLoader.getResourceAsStream("SalesConfig.xml");
System.out.println(in);
SalesConfig config = null;
try {
if (in != null)
System.out.println(digester.parse(in));
config = (SalesConfig)digester.parse(in);
in.close();
} catch (IOException e) {
e.printStackTrace();
} catch (SAXException e) {
e.printStackTrace();
}
salesConfig = config;
java.lang.NullPointerException
at org.apache.commons.digester.Digester.createSAXException(Digester.java:2792)
at org.apache.commons.digester.Digester.createSAXException(Digester.java:2818)
at org.apache.commons.digester.Digester.endElement(Digester.java:1070)
at org.apache.xerces.parsers.AbstractSAXParser.endElement(Unknown Source)
at org.apache.xerces.parsers.AbstractXMLDocumentParser.emptyElement(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanStartElement(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
at org.apache.commons.digester.Digester.parse(Digester.java:1591)
at cn.hsales.sales.dao.DaoFactory.<clinit>(DaoFactory.java:58)
at cn.hsales.sales.dao.TestDaoFactory.testDaoFactory(TestDaoFactory.java:40)
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:585)
at junit.framework.TestCase.runTest(TestCase.java:154)
at junit.framework.TestCase.runBare(TestCase.java:127)
at junit.framework.TestResult$1.protect(TestResult.java:106)
at junit.framework.TestResult.runProtected(TestResult.java:124)
at junit.framework.TestResult.run(TestResult.java:109)
at junit.framework.TestCase.run(TestCase.java:118)
at junit.framework.TestSuite.runTest(TestSuite.java:208)
at junit.framework.TestSuite.run(TestSuite.java:203)
at org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestReference.run(JUnit3TestReference.java:128)
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)
config = (SalesConfig)digester.parse(in);
这一句中你把NULL强制转型,所以有异常,
Digester 我没有用过,你好好查一下API,看看问题出在哪里
这一句中你把NULL强制转型,所以有异常