I am using Squirrel to connect to a MySQL instance being hosted on CloudBees. I downloaded what I believe is the correct JDBC driver, and installed it to Squirrel's lib directory at:
~/squirrel-sql-3.4.0/lib/mysql-connector-java-5.1.25-bin.jar
I then created a new DB alias (inside Squirrel) with the following properties:
Name: my_db
Driver: MySQL Driver
URL: jdbc:mysql://my-cloudbees-s3-instance.com:3306/my_db
User Name: my_db_user
Password: *******
When I try to connect to the DB, I get the following stack trace/error from Squirrel's built-in console:
java.util.concurrent.ExecutionException: java.lang.RuntimeException: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Access denied for user 'my_db_user'#'%' to database 'my_db'
at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:232)
at java.util.concurrent.FutureTask.get(FutureTask.java:91)
at net.sourceforge.squirrel_sql.client.mainframe.action.OpenConnectionCommand.awaitConnection(OpenConnectionCommand.java:132)
at net.sourceforge.squirrel_sql.client.mainframe.action.OpenConnectionCommand.access$100(OpenConnectionCommand.java:45)
at net.sourceforge.squirrel_sql.client.mainframe.action.OpenConnectionCommand$2.run(OpenConnectionCommand.java:115)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.RuntimeException: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Access denied for user 'my_db_user'#'%' to database 'my_db'
at net.sourceforge.squirrel_sql.client.mainframe.action.OpenConnectionCommand.executeConnect(OpenConnectionCommand.java:171)
at net.sourceforge.squirrel_sql.client.mainframe.action.OpenConnectionCommand.access$000(OpenConnectionCommand.java:45)
at net.sourceforge.squirrel_sql.client.mainframe.action.OpenConnectionCommand$1.run(OpenConnectionCommand.java:104)
... 6 more
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Access denied for user 'my_db_user'#'%' to database 'my_db'
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
at com.mysql.jdbc.Util.getInstance(Util.java:386)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1054)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4187)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4119)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:927)
at com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.java:1709)
at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1252)
at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2483)
at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2516)
at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2301)
at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:834)
at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:416)
at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:346)
at net.sourceforge.squirrel_sql.fw.sql.SQLDriverManager.getConnection(SQLDriverManager.java:133)
at net.sourceforge.squirrel_sql.client.mainframe.action.OpenConnectionCommand.executeConnect(OpenConnectionCommand.java:167)
... 8 more
Is this an issue with:
Squirrel, or how I've configured it; or
The database/server (not properly configured, etc.); or
My connection properties; or
The MySQL/JDBC driver (wrong type, etc.); or
Something else?
It says "Access is denied" but I've check and rechecked my login credentials and they seem to be perfectly valid. Thanks in advance!
Important Update: I just downloaded and installed MySQL Workbench, created a new Stored Connection with the exact same info, and still getting the same error message:
Failed to Connect to MySQL at my-cloudbees-s3-instance.com:3306 with user my_db_user. Access denied for user 'my_db_user'#'%' to database 'my_db'.
To me, this indicates the MySQL server has been configured incorrectly, and rules out Squirrel, my connection properties, and the JDBC driver I installed for Squirrel...yes?!?
Related
I have created a user with all privileges. Bit confused in selecting Host(currently localhost),
Hibernate setting are.
jdbc.driverClassName = com.mysql.jdbc.Driver
jdbc.url = jdbc:mysql://67.3.234.45:3306/user
jdbc.username = username
jdbc.password = password
hibernate.dialect = org.hibernate.dialect.MySQLDialect
hibernate.show_sql = true
hibernate.hbm2ddl.auto = update
exception is : Updated the question with full exception..
com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:389)
at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1038)
at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:338)
at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2237)
at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2270)
at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2069)
at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:794)
at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:44)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:389)
at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:399)
at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:325)
at java.sql.DriverManager.getConnection(DriverManager.java:571)
at java.sql.DriverManager.getConnection(DriverManager.java:187)
at org.springframework.jdbc.datasource.DriverManagerDataSource.getConnectionFromDriverManager(DriverManagerDataSource.java:153)
at org.springframework.jdbc.datasource.DriverManagerDataSource.getConnectionFromDriver(DriverManagerDataSource.java:144)
at org.springframework.jdbc.datasource.AbstractDriverBasedDataSource.getConnectionFromDriver(AbstractDriverBasedDataSource.java:155)
at org.springframework.jdbc.datasource.AbstractDriverBasedDataSource.getConnection(AbstractDriverBasedDataSource.java:120)
at org.hibernate.engine.jdbc.connections.internal.DatasourceConnectionProviderImpl.getConnection(DatasourceConnectionProviderImpl.java:139)
at org.hibernate.tool.hbm2ddl.SuppliedConnectionProviderConnectionHelper.prepare(SuppliedConnectionProviderConnectionHelper.java:51)
at org.hibernate.tool.hbm2ddl.SchemaUpdate.execute(SchemaUpdate.java:219)
at org.hibernate.tool.hbm2ddl.SchemaUpdate.execute(SchemaUpdate.java:203)
at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:522)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1859)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1930)
First: phpmyadmin is a tool for administring databases. It seems to be completely irrelevant to the question. (Although it might be useful for debugging)
In order to debug this issue, double check that the following are correct:
host
port
Database name
username
password
Double check that you can actually access the server, e.g. by pinging it, or by using telnet to connect to the host/port.
If all this doesn't help, set a breakpoint at Util.java line 389 or in the try block before see, what actually is happening and failing.
I've created a spring-boot application and it's hosted in Amazon EC2.
The problem seems to be with a experired connection with MySQL database.
After some idle time the error below happens, and my webservice returns error 500.
I would like to know if there's a configuration property that I could add to avoid this error.
Caused by: org.hibernate.TransactionException: JDBC begin transaction failed:
at org.hibernate.engine.transaction.internal.jdbc.JdbcTransaction.doBegin(JdbcTransaction.java:76)
at org.hibernate.engine.transaction.spi.AbstractTransactionImpl.begin(AbstractTransactionImpl.java:162)
at org.hibernate.internal.SessionImpl.beginTransaction(SessionImpl.java:1431)
at org.hibernate.jpa.internal.TransactionImpl.begin(TransactionImpl.java:61)
... 66 common frames omitted
Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: The last packet successfully received from the server was57961 seconds ago.The last packet sent successfully to the server was 57961 seconds ago, which is longer than the server configured value of 'wait_timeout'. You should consider either expiring and/or testing connection validity before use in your application, increasing the server configured values for client timeouts, or using the Connector/J connection property 'autoReconnect=true' to avoid this problem.
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1074)
at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:3246)
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1917)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2060)
at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2536)
at com.mysql.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:4874)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.apache.tomcat.jdbc.pool.ProxyConnection.invoke(ProxyConnection.java:126)
at org.apache.tomcat.jdbc.pool.JdbcInterceptor.invoke(JdbcInterceptor.java:109)
at org.apache.tomcat.jdbc.pool.DisposableConnectionFacade.invoke(DisposableConnectionFacade.java:80)
at com.sun.proxy.$Proxy42.setAutoCommit(Unknown Source)
at org.hibernate.engine.transaction.internal.jdbc.JdbcTransaction.doBegin(JdbcTransaction.java:72)
... 69 common frames omitted
Caused by: java.net.SocketException: Software caused connection abort: socket write error
at java.net.SocketOutputStream.socketWrite0(Native Method)
at java.net.SocketOutputStream.socketWrite(Unknown Source)
at java.net.SocketOutputStream.write(Unknown Source)
My configuration properties have these properties so far:
spring.datasource.url=xxxx
spring.datasource.username=xxx
spring.datasource.password=xxxx
spring.datasource.driverClassName=com.mysql.jdbc.Driver
spring.jpa.hibernate.ddl-auto=update
server.port=80
spring.datasource.time-between-eviction-runs-millis=10000
spring.datasource.min-evictable-idle-time-millis=10000
I suggest you check the javadocs for the DataSource that you are using. If it's the Tomcat DataSource which is the default if it's on the classpath, you can set
spring.datasource.validationQuery=SELECT 1
spring.datasource.testOnBorrow=true
(for instance). Other data source implementations have similar properties and Spring Boot just binds to them via spring.datasource.*.
I have added and can work with my production data source with no problems, but I'm having issues working with a second "local" data source. My connection settings look something like this:
Database URL: jdbc:mysql://localhost:3306/<database_name>
User: <username>
Password: <password>
Testing the connection succeeds and I can see a list of the tables, but can't read contents of tables. Yes, this user has full access to the db in question; I confirmed this in MySQL Workbench. The problem appears to be specific to IntelliJ-IDEA.
IntelliJ-IDEA complains thusly:
java.sql.SQLException: SELECT command denied to user ''#'%' for column 'mycolumn'
Notice user is ''#'%' in the error message. What is going wrong?
Again, testing the connection succeeds and I can see a list of the tables and the aforementioned user works just fine in MySQL Workbench (can select/update/insert all tables).
I'm running IntelliJ-IDEA version 12.1.4.
Entire connection error:
database_name.*
java.sql.SQLException: SELECT command denied to user ''#'%' for column 'column_name' in table 'table_name'
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl. java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
at com.mysql.jdbc.Util.getInstance(Util.java:386)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1054)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4190)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4122)
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2570)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2731)
at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2812)
at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2761)
at com.mysql.jdbc.StatementImpl.executeQuery(StatementImpl.java:1612)
at com.mysql.jdbc.DatabaseMetaData$2.forEach(DatabaseMetaData.java:2571)
at com.mysql.jdbc.DatabaseMetaData$2.forEach(DatabaseMetaData.java:2458)
at com.mysql.jdbc.IterateBlock.doForAll(IterateBlock.java:51)
at com.mysql.jdbc.DatabaseMetaData.getColumns(DatabaseMetaData.java:2457)
at com.intellij.persistence.jdbc.impl.RemoteDatabaseMetaDataImpl.getColumns(RemoteDatabaseMetaDataImpl.java:170)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:322)
at sun.rmi.transport.Transport$1.run(Transport.java:177)
at sun.rmi.transport.Transport$1.run(Transport.java:174)
at java.security.AccessController.doPrivileged(Native Method)
at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:556)
at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:811)
at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:670)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:724)
at sun.rmi.transport.StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java:275)
at sun.rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java:252)
at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:161)
at java.rmi.server.RemoteObjectInvocationHandler.invokeRemoteMethod(RemoteObjectInvocationHandler.java:194)
at java.rmi.server.RemoteObjectInvocationHandler.invoke(RemoteObjectInvocationHandler.java:148)
at com.sun.proxy.$Proxy147.getColumns(Unknown Source)
at sun.reflect.GeneratedMethodAccessor398.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at com.intellij.execution.rmi.RemoteUtil$RemoteInvocationHandler.invoke(RemoteUtil.java:211)
at com.sun.proxy.$Proxy148.getColumns(Unknown Source)
at com.intellij.javaee.dataSource.DatabaseSchemaLoader.loadTableBasicsInner(DatabaseSchemaLoader.java:998)
at com.intellij.javaee.dataSource.DatabaseSchemaLoader.loadTableBasics(DatabaseSchemaLoader.java:961)
at com.intellij.javaee.dataSource.DatabaseSchemaLoader.loadElementDetails(DatabaseSchemaLoader.java:891)
at com.intellij.javaee.dataSource.DatabaseSchemaLoader.loadDataSourceState(DatabaseSchemaLoader.java:113)
at com.intellij.javaee.dataSource.AbstractDataSource.refreshMetaData(AbstractDataSource.java:49)
at com.intellij.javaee.dataSource.AbstractDataSource$1.perform(AbstractDataSource.java:27)
at com.intellij.javaee.dataSource.AbstractDataSource$1.perform(AbstractDataSource.java:25)
at com.intellij.javaee.dataSource.DataSource.performJdbcOperation(DataSource.java:296)
at com.intellij.javaee.dataSource.AbstractDataSource.refreshMetaData(AbstractDataSource.java:25)
at com.intellij.javaee.module.view.dataSource.DataSourceUiUtil$2.run(DataSourceUiUtil.java:120)
at com.intellij.openapi.progress.impl.ProgressManagerImpl$TaskRunnable.run(ProgressManagerImpl.java:495)
at com.intellij.openapi.progress.impl.ProgressManagerImpl$2.run(ProgressManagerImpl.java:185)
at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:226)
at com.intellij.openapi.progress.impl.ProgressManagerImpl.runProcess(ProgressManagerImpl.java:175)
at com.intellij.openapi.progress.impl.ProgressManagerImpl$8.run(ProgressManagerImpl.java:400)
at com.intellij.openapi.application.impl.ApplicationImpl$8.run(ApplicationImpl.java:454)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:724)
at com.intellij.openapi.application.impl.ApplicationImpl$1$1.run(ApplicationImpl.java:152)
I had a view. As suggested by another post (credit: #FooBarUser), I changed the view's 'DEFINER' to a valid local user and the problem was solved!
My java prog is compiling and executing fine with
mysqlCon = (Connection) DriverManager.getConnection("jdbc:mysql://10.129.70.44:3306/test", "root", "root");
but when I type
mysqlCon = (Connection) DriverManager.getConnection("jdbc:mysql://localhost:3306/test", "root", "root");
it is faling
giving following error:
Exception in thread "main" com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:532)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1121)
at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:355)
at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2479)
at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2516)
at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2301)
at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:834)
at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:532)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:416)
at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:317)
at java.sql.DriverManager.getConnection(DriverManager.java:620)
at java.sql.DriverManager.getConnection(DriverManager.java:222)
at just.main(just.java:17)
Caused by: java.net.ConnectException: Connection refused
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:327)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:193)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:180)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:384)
at java.net.Socket.connect(Socket.java:546)
at java.net.Socket.connect(Socket.java:495)
at java.net.Socket.<init>(Socket.java:392)
at java.net.Socket.<init>(Socket.java:235)
at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:259)
at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:305)
... 15 more
Again, when I do $mysql -hlocalhost -u root -p in Ubuntu 12.04 terminal its connecting to mysql>
but when I am typing $telnet localhost 3306 I am getting the following error:
Trying 127.0.0.1...
telnet: Unable to connect to remote host: Connection refused
You need to grant all to root from localhost.
GRANT ALL ON *.* TO 'root'#'localhost'
Did you try 127.0.0.1 instead of Localhost?
On the side note:
If you have any mysql client, then try there first. Probably you can try to connect from command prompt first. If it works, then you can use that.
I'm trying to send an email using Play Framework and SendGrid in Heroku. I set the configuration (Application.conf) as follows:
mail.smtp=smtp
mail.smtp.host=smtp.sendgrid.net
mail.smtp.port=587
mail.smtp.user=${SENDGRID_USERNAME}
mail.smtp.pass=${SENDGRID_PASSWORD}
mail.smtp.protocol=smtps
mail.smtp.channel=plain
mail.debug=true
but I get this exception:
DEBUG: getProvider() returning javax.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport,Sun Microsystems, Inc]
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at javax.mail.Session.getService(Session.java:760)
at javax.mail.Session.getTransport(Session.java:689)
at javax.mail.Session.getTransport(Session.java:632)
at javax.mail.Session.getTransport(Session.java:612)
at javax.mail.Session.getTransport(Session.java:667)
at javax.mail.Transport.send0(Transport.java:148)
at javax.mail.Transport.send(Transport.java:80)
at org.apache.commons.mail.Email.sendMimeMessage(Email.java:1232)
at org.apache.commons.mail.Email.send(Email.java:1267)
at play.libs.Mail$2.call(Mail.java:180)
at play.libs.Mail$2.call(Mail.java:175)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.SecurityException: class "com.sun.mail.util.PropUtil"'s signer information does not match signer information of other classes in the same package
at java.lang.ClassLoader.checkCerts(ClassLoader.java:806)
at java.lang.ClassLoader.preDefineClass(ClassLoader.java:487)
at java.lang.ClassLoader.defineClassCond(ClassLoader.java:625)
at java.lang.ClassLoader.defineClass(ClassLoader.java:615)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
at com.sun.mail.smtp.SMTPTransport.<init>(SMTPTransport.java:146)
at com.sun.mail.smtp.SMTPTransport.<init>(SMTPTransport.java:133)
... 20 more
ERROR niceThrowable,
#68efkgai3
The email has not been sent
Mail error
A mail error occured : Error while sending email
play.exceptions.MailException: Error while sending email
at play.libs.Mail$2.call(Mail.java:183)
at play.libs.Mail$2.call(Mail.java:175)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
Caused by: org.apache.commons.mail.EmailException: Sending the email to the following server failed : smtp.sendgrid.net:25
at org.apache.commons.mail.Email.sendMimeMessage(Email.java:1242)
at org.apache.commons.mail.Email.send(Email.java:1267)
at play.libs.Mail$2.call(Mail.java:180)
... 6 more
Caused by: javax.mail.NoSuchProviderException: smtp
at javax.mail.Session.getService(Session.java:764)
at javax.mail.Session.getTransport(Session.java:689)
at javax.mail.Session.getTransport(Session.java:632)
at javax.mail.Session.getTransport(Session.java:612)
at javax.mail.Session.getTransport(Session.java:667)
at javax.mail.Transport.send0(Transport.java:148)
at javax.mail.Transport.send(Transport.java:80)
at org.apache.commons.mail.Email.sendMimeMessage(Email.java:1232)
... 8 more
Debugging the Mail.java class in Play, it seems to set the parameters properly. Anyone that has make it work can share his/her configuration?
Maybe you also need:
mail.smtp.auth=true
mail.smtp.starttls.enable=true
mail.smtp=smtp
should be commented out if you are using the other settings I believe. It looks like this is your error based on the stack trace.
Ok, found it. The issue was that a module I am using had a non-dependency-managed copy of mail.jar (the Java mail api). As Play embeds it's own copy, this caused a conflict which resulted in the "cryptic" error:
Caused by: javax.mail.NoSuchProviderException: smtp
Another argument in favour of using dependencies.yml for your modules, guys!
Thanks to everybody who answered for the answers, they helped somehow :)