com.alibaba.druid.pool.DruidDataSource error
專案場景:
二月 01, 2021 4:42:38 下午 com.alibaba.druid.pool.DruidDataSource error
嚴重: {dataSource-1} init error
java.sql.SQLException: com.mysql.jdbc.Driver
at com.alibaba.druid.util.JdbcUtils.createDriver(JdbcUtils.java:600)
at com.alibaba.druid.pool.DruidDataSource.init(DruidDataSource.java:815)
at com.alibaba.druid.pool.DruidDataSource.getConnection(DruidDataSource.java:1223)
at com.jasomWu.utils.JDBCUtils.getConnection(JDBCUtils.java:39)
at com.jasomWu.test.junitTest.test(junitTest.java:17)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
at org.junit.runners.ParentRunner
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2.evaluate(ParentRunner.java:229) at org.junit.runners.ParentRunner.run(ParentRunner.java:309) at org.junit.runner.JUnitCore.run(JUnitCore.java:160) at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:69) at com.intellij.rt.junit.IdeaTestRunner
2.evaluate(ParentRunner.java:229)atorg.junit.runners.ParentRunner.run(ParentRunner.java:309)atorg.junit.runner.JUnitCore.run(JUnitCore.java:160)atcom.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:69)atcom.intellij.rt.junit.IdeaTestRunnerRepeater.startRunnerWithArgs(IdeaTestRunner.java:33)
at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:220)
at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:53)
Caused by: java.lang.ClassNotFoundException: com.mysql.jdbc.Driver
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:264)
at com.alibaba.druid.util.JdbcUtils.createDriver(JdbcUtils.java:598)
… 27 more
問題描述:
idea中使用德魯伊獲取資料庫連線時出現的問題private static DruidDataSource source;
static {
try {
Properties properties = new Properties();
//讀取配置檔案
InputStream is = ClassLoader.getSystemClassLoader().getResourceAsStream("jdbc.properties");
properties.load(is);
//建立資料庫連線池
source = (DruidDataSource) DruidDataSourceFactory.createDataSource(properties);
} catch (Exception e) {
e.printStackTrace();
}
}
原因分析:
缺少jdbc與資料庫連線的Drive,無法獲取連線。
解決方案:
匯入下面這個jia包,就可以成功獲取連線。