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SQOOP QUERY：连接到远程服务器MySQL时遇到问题

[英]SQOOP QUERY: trouble connecting to remote server MySQL

 原文  2018-07-10 18:01:52  3   1    mysql/ hadoop/ jdbc/ sqoop

问题描述

I have a case where I need sqoop to connect to remote ipaddress mysql. 我遇到需要sqoop连接到远程ipaddress mysql的情况。 I can connect to mysql from putty by firing this command: 我可以通过触发以下命令从腻子连接到mysql：

mysql -u ro -p -h xxxx -P 4307 orders --enable-cleartext-plugin

But, I cannot connect to remote ip : xxxx from sqoop I am getting Communications link failure error . 但是，我无法从sqoop连接到远程ip：xxxx，但出现了“ Communications link failure error 。 I think the cause of this error can be : SSL Certificate Expired as we are connecting to remote server. 我认为此错误的原因可能是：SSL证书已过期，因为我们正在连接到远程服务器。 Below is the log of error generated. 下面是生成的错误日志。 Even if I turned ssl option off in sqoop, it says that Caused by: java.sql.SQLException: ssl is required when using cleartext authentication Can sqoop connect to remote server mysql? 即使我在sqoop中关闭了ssl选项，它也会说由以下原因引起：java.sql.SQLException：使用明文身份验证时需要ssl sqoop是否可以连接到远程服务器mysql？

Any help would be appreciated 任何帮助，将不胜感激

Thanks 谢谢

Command: sqoop list-tables --connect 'jdbc:mysql://xxxx:4307/orders' --username abc --password abc 命令：sqoop列表表--connect'jdbc：mysql：// xxxx：4307 / orders'-用户名abc-密码abc

Warning: /usr/lib/sqoop/../hbase does not exist! 警告：/usr/lib/sqoop/../hbase不存在！ HBase imports will fail. HBase导入将失败。 Please set $HBASE_HOME to the root of your HBase installation. 请将$ HBASE_HOME设置为HBase安装的根目录。 Warning: /usr/lib/sqoop/../hcatalog does not exist! 警告：/usr/lib/sqoop/../hcatalog不存在！ HCatalog jobs will fail. HCatalog作业将失败。 Please set $HCAT_HOME to the root of your HCatalog installation. 请将$ HCAT_HOME设置为HCatalog安装的根目录。 Warning: /usr/lib/sqoop/../accumulo does not exist! 警告：/usr/lib/sqoop/../accumulo不存在！ Accumulo imports will fail. Accumulo导入将失败。 Please set $ACCUMULO_HOME to the root of your Accumulo installation. 请将$ ACCUMULO_HOME设置为Accumulo安装的根目录。 Warning: /usr/lib/sqoop/../zookeeper does not exist! 警告：/usr/lib/sqoop/../zookeeper不存在！ Accumulo imports will fail. Accumulo导入将失败。 Please set $ZOOKEEPER_HOME to the root of your Zookeeper installation. 请将$ ZOOKEEPER_HOME设置为Zookeeper安装的根目录。 18/07/10 12:18:45 INFO sqoop.Sqoop: Running Sqoop version: 1.4.7 18/07/10 12:18:45 WARN tool.BaseSqoopTool: Setting your password on the command-line is insecure. 18/07/10 12:18:45 INFO sqoop.Sqoop：正在运行Sqoop版本：1.4.7 18/07/10 12:18:45 WARN工具。BaseSqoopTool：在命令行上设置密码不安全。 Consider using -P instead. 考虑改用-P。 18/07/10 12:18:45 INFO manager.MySQLManager: Preparing to use a MySQL streaming resultset. 2010年8月18日12:18:45信息管理器。MySQLManager：准备使用MySQL流式结果集。 Tue Jul 10 12:18:46 EDT 2018 WARN: Establishing SSL connection without server's identity verification is not recommended. TED Jul 10 12:18:46 EDT 2018警告：不建议在没有服务器身份验证的情况下建立SSL连接。 According to MySQL 5.5.45+, 5.6.26+ and 5.7.6+ requirements SSL connection must be established by default if explicit option isn't set. 根据MySQL 5.5.45 +，5.6.26 +和5.7.6+的要求，如果未设置显式选项，则默认情况下必须建立SSL连接。 For compliance with existing applications not using SSL the verifyServerCertificate property is set to 'false'. 为了与不使用SSL的现有应用程序兼容，将verifyServerCertificate属性设置为'false'。 You need either to explicitly disable SSL by setting useSSL=false, or set useSSL=true and provide truststore for server certificate verification. 您需要通过设置useSSL = false来显式禁用SSL，或者设置useSSL = true并为服务器证书验证提供信任库。 18/07/10 12:18:46 ERROR manager.CatalogQueryManager: Failed to list tables com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure 10/18/18 12:18:46错误manager.CatalogQueryManager：无法列出表com.mysql.jdbc.exceptions.jdbc4.CommunicationsException：通信链接失败

The last packet successfully received from the server was 476 milliseconds ago. 从服务器成功接收到的最后一个数据包是476毫秒前。 The last packet sent successfully to the server was 465 milliseconds ago. 成功发送到服务器的最后一个数据包是465毫秒之前。 at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.jdbc.Util.handleNewInstance(Util.java:425) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:990) at com.mysql.jdbc.ExportControlled.transformSocketToSSLSocket(ExportControlled.java:203) at com.mysql.jdbc.MysqlIO.negotiateSSLConnection(MysqlIO.java:4901) at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1659) at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1226) at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2188) at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2219) at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2014) at com 位于java.lang.java.sun.reflect.DelegatingConstructorAccessorImpl.newInstance（DelegatingConstructorAccessorImpl.java:45）处sun.reflect.NativeConstructorAccessorImpl.newInstance（NativeConstructorAccessorImpl.java:62）处sun.reflect.NativeConstructorAccessorImpl.newInstance0（Native方法） .newInstance（Constructor.java:423）位于com.mysql.jdbc.Util.handleNewInstance（Util.java:425）位于com.mysql.jdbc.SQLError.createCommunicationsException（SQLError.java:990）位于com.mysql.jdbc。 com.mysql.jdbc.MysqlIO.negotiateSSLConnection（MysqlIO.java:4901）的com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication（MysqlIO.java:1659）的ExportControlled.transformSocketToSSLSocket（ExportControlled.java:203） com.mysql.jdbc.ConnectionImpl.coreConnect（ConnectionImpl.java:2188）的com.mysql.jdbc.ConnectionImpl.connectOneTryOnly（ConnectionImpl.java:2219）的.sqlIO.doHandshake（MysqlIO.java:1226） com上的jdbc.ConnectionImpl.createNewIO（ConnectionImpl.java:2014） .mysql.jdbc.ConnectionImpl.(ConnectionImpl.java:776) at com.mysql.jdbc.JDBC4Connection.(JDBC4Connection.java:47) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.jdbc.Util.handleNewInstance(Util.java:425) at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:386) at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:330) at java.sql.DriverManager.getConnection(DriverManager.java:664) at java.sql.DriverManager.getConnection(DriverManager.java:247) at org.apache.sqoop.manager.SqlManager.makeConnection(SqlManager.java:904) at org.apache.sqoop.manager.GenericJdbcManager.getConnection(GenericJdbcManager.java:59) at org.apache.sqoop.manager.CatalogQueryManager.lis .mysql.jdbc.ConnectionImpl。（ConnectionImpl.java:776）位于com.mysql.jdbc.JDBC4Connection。（JDBC4Connection.java:47）位于sun.reflect.NativeConstructorAccessorImpl.newInstance0（Native方法）在sun.reflect.NativeConstructorAccessorImpl.newInstance （NativeConstructorAccessorImpl.java:62）在sun.reflect.DelegatingConstructorAccessorImpl.newInstance（DelegatingConstructorAccessorImpl.java:45）在java.lang.reflect.Constructor.newInstance（Constructor.java:423）在com.mysql.jdbc.Util.handleNewInstance（ com.mysql.jdbc.ConnectionImpl.getInstance（ConnectionImpl.java:386）处的Util.java:425）com.mysql.jdbc.NonRegisteringDriver.connect（NonRegisteringDriver.java:330）处的java.sql.DriverManager.getConnection（DriverManager）处的Util.java:425） .java：664），位于org.apache.sqoop.manager.SqlManager.makeConnection（SqlManager.java:904），位于org.apache.sqoop.manager.GenericJdbcManager，位于java.sql.DriverManager.getConnection（DriverManager.java:247）。 org.apache.sqoop.manager.CatalogQueryManager.lis上的getConnection（GenericJdbcManager.java:59） tTables(CatalogQueryManager.java:102) at org.apache.sqoop.tool.ListTablesTool.run(ListTablesTool.java:49) at org.apache.sqoop.Sqoop.run(Sqoop.java:147) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70) at org.apache.sqoop.Sqoop.runSqoop(Sqoop.java:183) at org.apache.sqoop.Sqoop.runTool(Sqoop.java:234) at org.apache.sqoop.Sqoop.runTool(Sqoop.java:243) at org.apache.sqoop.Sqoop.main(Sqoop.java:252) Caused by: javax.net.ssl.SSLHandshakeException: java.security.cert.CertificateExpiredException: NotAfter: Fri Jan 19 14:35:17 EST 2018 at sun.security.ssl.Alerts.getSSLException(Alerts.java:192) at sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1959) at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:302) at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:296) at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1514) at sun.security.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:216) at sun.security.ssl.Handshaker.processLoop(Hand org.apache.sqoop.tool.ListTablesTool.run（ListTablesTool.java:49）处的tTables（CatalogQueryManager.java:102）org.apache.hadoop处的org.apache.sqoop.Sqoop.run（Sqoop.java:147）处的TableTablesTool.run（ListTablesTool.java:49） org.apache.sqoop.Sqoop.runSqoop（Sqoop.java:183）上的.util.ToolRunner.run（ToolRunner.java:70）org.org上的org.apache.sqoop.Sqoop.runTool（Sqoop.java:234）上的。 org.apache.sqoop.Sqoop.main（Sqoop.java:252）处的apache.sqoop.Sqoop.runTool（Sqoop.java:243）原因：javax.net.ssl.SSLHandshakeException：java.security.cert.CertificateExpiredException： NotAfter：2018年1月19日星期五美国东部时间周五在sun.security.ssl.Alerts.getSSLException（Alerts.java:192）在sun.security.ssl.SSLSocketImpl.fatal（SSLSocketImpl.java:1959）在sun.security .sun上的.ssl.Handshaker.fatalSE（Handshaker.java:302）在sun.security.ssl.Handshaker.fatalSE（Handshaker.java:296）在sun.security.ssl.ClientHandshaker.serverCertificate（ClientHandshaker.java:1514）。 sun.security.ssl.Handshaker.processLoop（Hand）上的security.ssl.ClientHandshaker.processMessage（ClientHandshaker.java:216） shaker.java:1026) at sun.security.ssl.Handshaker.process_record(Handshaker.java:961) at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1072) at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1385) at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1413) at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1397) at com.mysql.jdbc.ExportControlled.transformSocketToSSLSocket(ExportControlled.java:188) ... 27 more Caused by: java.security.cert.CertificateExpiredException: NotAfter: Fri Jan 19 14:35:17 EST 2018 at sun.security.x509.CertificateValidity.valid(CertificateValidity.java:274) at sun.security.x509.X509CertImpl.checkValidity(X509CertImpl.java:629) at sun.security.x509.X509CertImpl.checkValidity(X509CertImpl.java:602) at com.mysql.jdbc.ExportControlled$X509TrustManagerWrapper.checkServerTrusted(ExportControlled.java:286) at sun.security.ssl.AbstractTrustManagerWrapper.checkServerTrusted(SSLContextImpl.java:985) 在sun.security.ssl.Handshaker.process_record（Handshaker.java:961）在sun.security.ssl.SSLSocketImpl.readRecord（SSLSocketImpl.java:1072）在sun.security.ssl.SSLSocketImpl.performInitialHandshaake （SSLSocketImpl.java:1385）在sun.security.ssl.SSLSocketImpl.startHandshake（SSLSocketImpl.java:1413）在sun.security.ssl.SSLSocketImpl.startHandshake（SSLSocketImpl.java:1397）在com.mysql.jdbc.ExportControlled。 transformSocketToSSLSocket（ExportControlled.java:188）... 27更多原因：java.security.cert.CertificateExpiredException：NotAfter：EST 2018年1月19日星期五sun.security.x509.CertificateValidity.valid（CertificateValidity.java ：274），位于sun.security.x509.X509CertImpl.checkValidity（X509CertImpl.java:629），位于com.mysql.jdbc.ExportControlled $ X509TrustManager.r.X509.X509.X509CertImpl.checkValidity（X509CertImpl.java:602）处。 sun.security.ssl.AbstractTrustManagerWrapper.checkServerTrusted（SSLContextImpl.java:985）上的ExportControlled.java:286） at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1496) ... 35 more 18/07/10 12:18:46 ERROR sqoop.Sqoop: Got exception running Sqoop: java.lang.RuntimeException: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure 在sun.security.ssl.ClientHandshaker.serverCertificate（ClientHandshaker.java:1496）... 35更多18/07/10 12:18:46错误sqoop.Sqoop：运行Sqoop时出现异常：java.lang.RuntimeException：com。 mysql.jdbc.exceptions.jdbc4.CommunicationsException：通信链接失败

The last packet successfully received from the server was 476 milliseconds ago. 从服务器成功接收到的最后一个数据包是476毫秒前。 The last packet sent successfully to the server was 465 milliseconds ago. 成功发送到服务器的最后一个数据包是465毫秒之前。 java.lang.RuntimeException: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure java.lang.RuntimeException：com.mysql.jdbc.exceptions.jdbc4.CommunicationsException：通信链接失败

The last packet successfully received from the server was 476 milliseconds ago. 从服务器成功接收到的最后一个数据包是476毫秒前。 The last packet sent successfully to the server was 465 milliseconds ago. 成功发送到服务器的最后一个数据包是465毫秒之前。 at org.apache.sqoop.manager.CatalogQueryManager.listTables(CatalogQueryManager.java:118) at org.apache.sqoop.tool.ListTablesTool.run(ListTablesTool.java:49) at org.apache.sqoop.Sqoop.run(Sqoop.java:147) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70) at org.apache.sqoop.Sqoop.runSqoop(Sqoop.java:183) at org.apache.sqoop.Sqoop.runTool(Sqoop.java:234) at org.apache.sqoop.Sqoop.runTool(Sqoop.java:243) at org.apache.sqoop.Sqoop.main(Sqoop.java:252) Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure 在org.apache.sqoop.manager.CatalogQueryManager.listTables（CatalogQueryManager.java:118）在org.apache.sqoop.tool.ListTablesTool.run（ListTablesTool.java:49）在org.apache.sqoop.Sqoop.run（Sqoop .java：147），位于org.apache.sqoop.Sqoop的org.apache.hadoop.util.ToolRunner.run（ToolRunner.java:70），位于org.apache.sqoop.Sqoop的org.apache.sqoop.Sqoop.runSqoop（Sqoop.java:183）。 org.apache.sqoop.Sqoop的runTool（Sqoop.java:234）org.apache.sqoop.Sqoop.main（Sqoop.java:252）的runTool（Sqoop.java:243）原因：com.mysql.jdbc .exceptions.jdbc4.CommunicationsException：通信链接失败

The last packet successfully received from the server was 476 milliseconds ago. 从服务器成功接收到的最后一个数据包是476毫秒前。 The last packet sent successfully to the server was 465 milliseconds ago. 成功发送到服务器的最后一个数据包是465毫秒之前。 at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.jdbc.Util.handleNewInstance(Util.java:425) at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:990) at com.mysql.jdbc.ExportControlled.transformSocketToSSLSocket(ExportControlled.java:203) at com.mysql.jdbc.MysqlIO.negotiateSSLConnection(MysqlIO.java:4901) at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1659) at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1226) at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2188) at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2219) at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2014) at com 位于java.lang.java.sun.reflect.DelegatingConstructorAccessorImpl.newInstance（DelegatingConstructorAccessorImpl.java:45）处sun.reflect.NativeConstructorAccessorImpl.newInstance（NativeConstructorAccessorImpl.java:62）处sun.reflect.NativeConstructorAccessorImpl.newInstance0（Native方法） .newInstance（Constructor.java:423）位于com.mysql.jdbc.Util.handleNewInstance（Util.java:425）位于com.mysql.jdbc.SQLError.createCommunicationsException（SQLError.java:990）位于com.mysql.jdbc。 com.mysql.jdbc.MysqlIO.negotiateSSLConnection（MysqlIO.java:4901）的com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication（MysqlIO.java:1659）的ExportControlled.transformSocketToSSLSocket（ExportControlled.java:203） .com的mysqlIO.doHandshake（MysqlIO.java:1226）com.mysql的com.mysql.jdbc.ConnectionImpl.connectOneTryOnly（ConnectionImpl.java:2219）的com.mysql.jdbc.ConnectionImpl.coreConnect（ConnectionImpl.java:2188） com上的jdbc.ConnectionImpl.createNewIO（ConnectionImpl.java:2014） .mysql.jdbc.ConnectionImpl.(ConnectionImpl.java:776) at com.mysql.jdbc.JDBC4Connection.(JDBC4Connection.java:47) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at com.mysql.jdbc.Util.handleNewInstance(Util.java:425) at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:386) at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:330) at java.sql.DriverManager.getConnection(DriverManager.java:664) at java.sql.DriverManager.getConnection(DriverManager.java:247) at org.apache.sqoop.manager.SqlManager.makeConnection(SqlManager.java:904) at org.apache.sqoop.manager.GenericJdbcManager.getConnection(GenericJdbcManager.java:59) at org.apache.sqoop.manager.CatalogQueryManager.lis .mysql.jdbc.ConnectionImpl。（ConnectionImpl.java:776）位于com.mysql.jdbc.JDBC4Connection。（JDBC4Connection.java:47）位于sun.reflect.NativeConstructorAccessorImpl.newInstance0（Native方法）在sun.reflect.NativeConstructorAccessorImpl.newInstance （NativeConstructorAccessorImpl.java:62）在sun.reflect.DelegatingConstructorAccessorImpl.newInstance（DelegatingConstructorAccessorImpl.java:45）在java.lang.reflect.Constructor.newInstance（Constructor.java:423）在com.mysql.jdbc.Util.handleNewInstance（ com.mysql.jdbc.ConnectionImpl.getInstance（ConnectionImpl.java:386）处的Util.java:425）com.mysql.jdbc.NonRegisteringDriver.connect（NonRegisteringDriver.java:330）处的java.sql.DriverManager.getConnection（DriverManager）处的Util.java:425） .java：664），位于org.apache.sqoop.manager.SqlManager.makeConnection（SqlManager.java:904），位于org.apache.sqoop.manager.GenericJdbcManager，位于java.sql.DriverManager.getConnection（DriverManager.java:247）。 org.apache.sqoop.manager.CatalogQueryManager.lis上的getConnection（GenericJdbcManager.java:59） tTables(CatalogQueryManager.java:102) ... 7 more Caused by: javax.net.ssl.SSLHandshakeException: java.security.cert.CertificateExpiredException: NotAfter: Fri Jan 19 14:35:17 EST 2018 at sun.security.ssl.Alerts.getSSLException(Alerts.java:192) at sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1959) at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:302) at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:296) at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1514) at sun.security.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:216) at sun.security.ssl.Handshaker.processLoop(Handshaker.java:1026) at sun.security.ssl.Handshaker.process_record(Handshaker.java:961) at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1072) at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1385) at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1413) at sun.security.ssl.SSLSocketImpl.startHandshake(S tTables（CatalogQueryManager.java:102）...还有7个更多原因：javax.net.ssl.SSLHandshakeException：java.security.cert.CertificateExpiredException：NotAfter：EST 2018年1月19日星期五14:35:17 sun.security.ssl .sun.security.ssl上的.Alerts.getSSLException（Alerts.java:192）.sun.security.ssl.SSLSocketImpl.fatal（SSLSocketImpl.java:1959）处的sun.security.ssl.Handshaker.fatalSE（Handshaker.java:302）处的。位于sun.security.ssl.ClientHandshaker.serverCertificate（ClientHandshaker.java:1514）的ssl.Handshaker.fatalSE（Handshaker.java:296）位于sun.security的sun.security.ssl.ClientHandshaker.processMessage（ClientHandshaker.java:216） sun上的.ssl.Handshaker.processLoop（Handshaker.java:1026）在sun.security.ssl.Handshaker.process_record（Handshaker.java:961）在sun.security.ssl.SSLSocketImpl.readRecord（SSLSocketImpl.java:1072）。在sun.security.ssl.SSLSocketImpl.startHandshake（SSLSocketImpl.java:1413）处的security.ssl.SSLSocketImpl.performInitialHandshake（SSLSocketImpl.java:1385）在sun.security.ssl.SSLSocketImpl.startHandshake（S SLSocketImpl.java:1397) at com.mysql.jdbc.ExportControlled.transformSocketToSSLSocket(ExportControlled.java:188) ... 27 more Caused by: java.security.cert.CertificateExpiredException: NotAfter: Fri Jan 19 14:35:17 EST 2018 at sun.security.x509.CertificateValidity.valid(CertificateValidity.java:274) at sun.security.x509.X509CertImpl.checkValidity(X509CertImpl.java:629) at sun.security.x509.X509CertImpl.checkValidity(X509CertImpl.java:602) at com.mysql.jdbc.ExportControlled$X509TrustManagerWrapper.checkServerTrusted(ExportControlled.java:286) at sun.security.ssl.AbstractTrustManagerWrapper.checkServerTrusted(SSLContextImpl.java:985) at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1496) ... 35 more com.mysql.jdbc.ExportControlled.transformSocketToSSLSocket（ExportControlled.java:188）的SLSocketImpl.java:1397）... 27更多原因：java.security.cert.CertificateExpiredException：NotAfter：EST 1月19日14:35:17 EST 2018年在sun.security.x509.CertificateValidity.valid（CertificateValidity.java:274）在sun.security.x509.X509CertImpl.checkValidity（X509CertImpl.java:629）在sun.security.x509.X509.X509CertImpl.checkValidity（X509CertImpl.java： 602）在sun.security.ssl.AbstractTrustManagerWrapper.checkServerTrusted（SSLContextImpl.java:985）在com.mysql.jdbc.ExportControlled $ X509TrustManagerWrapper.checkServerTrusted（ExportControlled.java:286）在sun.security.ssl.ClientHandshaker.serverCertificate（ClientHandker .java：1496）...另外35个

1 个解决方案

解决方案1
 0  2018-07-11 06:12:15

Please try this - 请尝试这个-

1) go to my.cnf 1）前往my.cnf

2) Comment bind-address(As it is accepting to local connections only) 2）注释bind-address（仅接受本地连接）

"bind-address = 127.0.0.1" “绑定地址= 127.0.0.1”

to 至

"#bind-address = 127.0.0.1" “＃bind-address = 127.0.0.1”

3) Restart mysql 3）重启mysql

Also check this- 还要检查一下-

jdbc mysql communications link failure to remote database jdbc mysql通信链接到远程数据库失败

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