ORA-01005: null password given; logon denied

最近在測(cè)試JDBC連接Oracle數(shù)據(jù)庫(kù)兼容密碼包含特殊字符的問題時(shí)，出現(xiàn)了java.sql.SQLException: ORA-01005: null password given; logon denied的報(bào)錯(cuò)，嘗試了各種Debug調(diào)試，確認(rèn)程序完全沒有問題，在本機(jī)測(cè)試也沒問題，數(shù)據(jù)庫(kù)驅(qū)動(dòng)（官網(wǎng)下載的對(duì)應(yīng)數(shù)據(jù)庫(kù)版本的驅(qū)動(dòng)）和JDK版本（都是Oracle JDK 1.8）兩邊環(huán)境也一樣，但部署到應(yīng)用環(huán)境上就是報(bào)錯(cuò)，翻遍了各種帖子也沒解決，最后偶然看到了一個(gè)回復(fù)，嘗試了下果然好了

具體報(bào)錯(cuò)信息如下：

java.sql.SQLException: ORA-01005: null password given; logon deniedat oracle.jdbc.driver.T4CTTIoer11.processError(T4CTTIoer11.java:628)at oracle.jdbc.driver.T4CTTIoer11.processError(T4CTTIoer11.java:557)at oracle.jdbc.driver.T4CTTIoer11.processError(T4CTTIoer11.java:552)at oracle.jdbc.driver.T4CTTIfun.processError(T4CTTIfun.java:1312)at oracle.jdbc.driver.T4CTTIoauthenticate.processError(T4CTTIoauthenticate.java:699)at oracle.jdbc.driver.T4CTTIfun.receive(T4CTTIfun.java:726)at oracle.jdbc.driver.T4CTTIfun.doRPC(T4CTTIfun.java:291)at oracle.jdbc.driver.T4CTTIoauthenticate.doOAUTH(T4CTTIoauthenticate.java:389)at oracle.jdbc.driver.T4CTTIoauthenticate.doOAUTHWithO5Logon(T4CTTIoauthenticate.java:1455)at oracle.jdbc.driver.T4CTTIoauthenticate.doOAUTH(T4CTTIoauthenticate.java:1219)at oracle.jdbc.driver.T4CTTIoauthenticate.doOAUTH(T4CTTIoauthenticate.java:1173)at oracle.jdbc.driver.T4CConnection.authenticateUserForLogon(T4CConnection.java:1030)at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:646)at oracle.jdbc.driver.PhysicalConnection.connect(PhysicalConnection.java:1032)at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:90)at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:681)at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:602)at java.sql.DriverManager.getConnection(DriverManager.java:664)at java.sql.DriverManager.getConnection(DriverManager.java:247)at com.adtec.moia.control.agent.util.MoiaUtil.getConnection(MoiaUtil.java:195)at com.adtec.moia.control.agent.deal.dbsjob.DbsJobExecutor.execute(DbsJobExecutor.java:70)at com.adtec.moia.control.agent.deal.JobExecuteThread.run(JobExecuteThread.java:99)at java.lang.Thread.run(Thread.java:748)at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)at java.lang.Thread.run(Thread.java:748)

最后在Bing國(guó)際版的搜索中找到了下面的參考信息：

意思就是讓換下驅(qū)動(dòng)嘗試下

java.sql.SQLException: ORA-01005: null password given; logon denied - Java - JDBC Archive (databaseusers.com)

java.sql.SQLException: ORA-01005: null password given; logon denied

Hello! I'm getting this exception while trying to establish a JDBC connection to an Oracle database (10g Express Edition): java.sql.SQLException: ORA-01005: null password given; logon denied The code is the following:try { OracleDataSource ods = new OracleDataSource(); ods.setDriverType("thin"); ods.setPassword("rafael"); ods.setUser("rafael"); ods.setDatabaseName("XE"); ods.setPortNumber(1521); ods.setServerName("iceman"); Connection c = ods.getConnection(); } catch (SQLException e) { e.printStackTrace(); }I'm also getting the same exception while running this code:Connection c = DriverManager.getConnection("jdbc:oracle:thin:#iceman:1521:XE", "rafael", "rafael");An interesting fact is DbVisualizer is successfully connecting to this database using exactly the above url. You can see the screen captured here: http://db.tt/YKxQCvf Anyone can help me to bypass this problem? Thanks in advance Edited by: user13275297 on 22/06/2011 13:14 This could be the jar issue, post the jdk version and jar you are using to establish the db connection. if you are not using ojdbc14.jar, then you can make a try with this jar. also go through the below post, it might help you: Login failure using Oracle Express 10.2, Java 6 and ojdbc5/6 11.x

最終解決：

已經(jīng)黔驢技窮的情況下就嘗試下，又下載了一個(gè)低版本的數(shù)據(jù)庫(kù)驅(qū)動(dòng)，替換了原裝驅(qū)動(dòng)，JDK沒有動(dòng)，再驗(yàn)證通過了…

根本原因還是沒有太明白，也有可能是JDK版本和數(shù)據(jù)庫(kù)驅(qū)動(dòng)兼容性的問題，但解決方案就是這樣，嘗試換下不同版本的驅(qū)動(dòng)

PS：

我的數(shù)據(jù)庫(kù)版本是19c，當(dāng)時(shí)驅(qū)動(dòng)是直接使用的數(shù)據(jù)庫(kù)服務(wù)器下的這個(gè)驅(qū)動(dòng)$ORACLE_HOME/jdbc/lib/ojdbc8.jar

后面也懷疑是驅(qū)動(dòng)問題，就從官網(wǎng)上下載了對(duì)應(yīng)版本的驅(qū)動(dòng)，但還是報(bào)錯(cuò)，就是這塊走進(jìn)了小黑屋，就沒再想驅(qū)動(dòng)的問題

最后解決了問題后，在這個(gè)目錄下./dmu/jlib/ojdbc8.jar也發(fā)現(xiàn)了還有一個(gè)ojdbc8.jar驅(qū)動(dòng)，和后來下載的低版本驅(qū)動(dòng)一致，嘗試使用了下一切正常

所以，如果遇到這樣的報(bào)錯(cuò)，在確定代碼無問題的情況下，還是需要從驅(qū)動(dòng)出發(fā)進(jìn)行解決…

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