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From seba.wag...@gmail.com
Subject Re: OM3.1.2 Restore Error: Seeking Help
Date Tue, 30 Aug 2016 05:18:13 GMT
Those are all db connectivity errors.

So you user/pass/host/Db-name invalid or permission issues.

Thanks
Sebastian 

Sent from my iPhone

> On 30/08/2016, at 4:42 PM, Coscend@OM <OM.Insights@Coscend.com> wrote:
> 
> Dear OpenMeetings Developers,
> 
> 
> 
> We are backing up and restoring database content of OM 3.1.2 from one
> instance to another.  While restoring, we are getting a database connection
> refused error.  We would appreciate any vectors to resolve the issue.  Below
> are the use case, the commands we are using, resulting errors and error log.
> 
> 
> 
> 
> ---------
> 
> USE CASE
> 
> ---------
> 
> 1. Compiled, installed and configured OM 3.1.2.  Environment: CentOS 7.3,
> MariaDB 10.x, JDK 1.8_u102
> 
> 2. Declared environmental variables:  
> 
> $RED5_HOME=[path_to_dist/red5]
> 
> $OM_CONTEXT=[installation_name_in_webapps]
> 
> 3. For backing up: ./admin.sh -v -b -file test.data.backup.zip
> 
> 4. Compiled and installed another instance of OM 3.1.2.
> 
> 5. For restoring:  ./admin.sh -v -i -file test.data.backup.zip --db-type
> mysql --drop --db-name test_db_312
> 
> 
> 
> ----------
> 
> Result:  3 ERRORS
> 
> ----------
> 
> [ERROR] [main] org.apache.openmeetings.cli.Admin - Install failed
> 
> org.apache.openjpa.util.UserException: A connection could not be obtained
> for driver class "com.mysql.jdbc.Driver" and URL
> "jdbc:mysql://localhost:3306/test_db_312?
> 
> .
> 
> Caused by:
> com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could
> not create connection to database server. Attempted reconnect 3 times.
> Giving up.
> 
> .
> 
> Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Access
> denied for user ''@'localhost' to database 'test_db_312'
> 
> 
> 
> ==========
> 
> ERROR LOG
> 
> =========
> 
> [ERROR] [main] org.apache.openmeetings.cli.Admin - Install failed
> 
> org.apache.openjpa.util.UserException: A connection could not be obtained
> for driver class "com.mysql.jdbc.Driver" and URL
> "jdbc:mysql://localhost:3306/test_db_312?autoReconnect=true&useUnicode=true&
> createDatabaseIfNotExist=true&characterEncoding=utf-8&connectionCollation=ut
> f8_general_ci&cachePrepStmts=true&cacheCallableStatements=true&cacheServerCo
> nfiguration=true&useLocalSessionState=true&elideSetAutoCommits=true&alwaysSe
> ndSetIsolation=false&enableQueryTimeouts=false&prepStmtCacheSize=3000&prepSt
> mtCacheSqlLimit=1000".  You may have specified an invalid URL.
> 
>       at
> org.apache.openjpa.jdbc.schema.DataSourceFactory.newConnectException(DataSou
> rceFactory.java:272)
> 
>       at
> org.apache.openjpa.jdbc.schema.DataSourceFactory.installDBDictionary(DataSou
> rceFactory.java:258)
> 
>       at
> org.apache.openjpa.jdbc.conf.JDBCConfigurationImpl.getConnectionFactory(JDBC
> ConfigurationImpl.java:733)
> 
>       at
> org.apache.openjpa.jdbc.conf.JDBCConfigurationImpl.getDataSource(JDBCConfigu
> rationImpl.java:878)
> 
>       at
> org.apache.openjpa.jdbc.conf.JDBCConfigurationImpl.getDataSource2(JDBCConfig
> urationImpl.java:920)
> 
>       at
> org.apache.openjpa.jdbc.schema.SchemaTool.<init>(SchemaTool.java:132)
> 
>       at org.apache.openmeetings.cli.Admin.runSchemaTool(Admin.java:475)
> 
>       at org.apache.openmeetings.cli.Admin.immediateDropDB(Admin.java:500)
> 
>       at org.apache.openmeetings.cli.Admin.dropDB(Admin.java:466)
> 
>       at org.apache.openmeetings.cli.Admin.process(Admin.java:268)
> 
>       at org.apache.openmeetings.cli.Admin.main(Admin.java:528)
> 
> Caused by:
> com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Could
> not create connection to database server. Attempted reconnect 3 times.
> Giving up.
> 
>       at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
> Method)
> 
>       at
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAcces
> sorImpl.java:62)
> 
>       at
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstruc
> torAccessorImpl.java:45)
> 
>       at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
> 
>       at com.mysql.jdbc.Util.handleNewInstance(Util.java:404)
> 
>       at com.mysql.jdbc.Util.getInstance(Util.java:387)
> 
>       at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:917)
> 
>       at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:896)
> 
>       at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:885)
> 
>       at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860)
> 
>       at
> com.mysql.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:2163)
> 
>       at
> com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2088)
> 
>       at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:806)
> 
>       at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
> 
>       at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
> Method)
> 
>       at
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAcces
> sorImpl.java:62)
> 
>       at
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstruc
> torAccessorImpl.java:45)
> 
>       at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
> 
>       at com.mysql.jdbc.Util.handleNewInstance(Util.java:404)
> 
>       at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:410)
> 
>       at
> com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:328)
> 
>       at
> org.apache.openjpa.jdbc.schema.SimpleDriverDataSource.getSimpleConnection(Si
> mpleDriverDataSource.java:91)
> 
>       at
> org.apache.openjpa.jdbc.schema.AutoDriverDataSource.getConnection(AutoDriver
> DataSource.java:39)
> 
>       at
> org.apache.openjpa.jdbc.schema.SimpleDriverDataSource.getConnection(SimpleDr
> iverDataSource.java:60)
> 
>       at
> org.apache.openjpa.lib.jdbc.DelegatingDataSource.getConnection(DelegatingDat
> aSource.java:116)
> 
>       at
> org.apache.openjpa.lib.jdbc.DecoratingDataSource.getConnection(DecoratingDat
> aSource.java:92)
> 
>       at
> org.apache.openjpa.jdbc.schema.DataSourceFactory.installDBDictionary(DataSou
> rceFactory.java:250)
> 
>       ... 9 common frames omitted
> 
> Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Access
> denied for user ''@'localhost' to database 'test_db_312'
> 
>       at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
> Method)
> 
>       at
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAcces
> sorImpl.java:62)
> 
>       at
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstruc
> torAccessorImpl.java:45)
> 
>       at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
> 
>       at com.mysql.jdbc.Util.handleNewInstance(Util.java:404)
> 
>       at com.mysql.jdbc.Util.getInstance(Util.java:387)
> 
>       at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:942)
> 
>       at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3966)
> 
>       at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3902)
> 
>       at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2526)
> 
>       at com.mysql.jdbc.MysqlIO.changeDatabaseTo(MysqlIO.java:1958)
> 
>       at
> com.mysql.jdbc.MysqlIO.proceedHandshakeWithPluggableAuthentication(MysqlIO.j
> ava:1890)
> 
>       at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1228)
> 
>       at
> com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2253)
> 
>       at
> com.mysql.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:2104)
> 
>       ... 25 common frames omitted
> 
> 
> 
> Thank you.
> 
> 
> 
> Sincerely,
> 
> 
> 
> Hemant K. Sabat
> 
> 
> 
> Coscend Communications Solutions
> 
> Web site:  <http://www.coscend.com/> www.Coscend.com 
> 
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> 
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> 
> 
> 
> 
> 
> 
> 

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