How to change database from h2 to MySql in JBPM - mysql

Question

I want to change database (h2 to SQL) in JBPM
from
<datasources>
<datasource jndi-name="java:jboss/datasources/ExampleDS" pool-name="ExampleDS" enabled="true" use-java-context="true">
<connection-url>jdbc:h2:mem:test;DB_CLOSE_DELAY=-1;DB_CLOSE_ON_EXIT=FALSE</connection-url>
<driver>h2</driver>
<security>
<user-name>sa</user-name>
<password>sa</password>
</security>
</datasource>
<xa-datasource jndi-name="java:jboss/datasources/jBPMDS" pool-name="jBPMXADS" enabled="true">
<xa-datasource-property name="URL"> jdbc:h2:file:${jboss.server.data.dir}/jbpm-db;MVCC=TRUE </xa-datasource-property>
<xa-datasource-class>org.h2.jdbcx.JdbcDataSource</xa-datasource-class>
<driver>h2</driver>
<security>
<user-name>sa</user-name>
<password>sa</password>
</security>
</xa-datasource>
<drivers>
<driver name="h2" module="com.h2database.h2">
<xa-datasource-class>org.h2.jdbcx.JdbcDataSource</xa-datasource-class>
</driver>
</drivers>
</datasources>
To
<datasources>
<datasource jndi-name="java:jboss/datasources/ExampleDS" pool-name="ExampleDS" enabled="true" use-java-context="true">
<connection-url>jdbc:mysql://localhost:3306/jbpm5<connection-url>
<!--<connection-url>jdbc:h2:mem:test;DB_CLOSE_DELAY=-1;DB_CLOSE_ON_EXIT=FALSE</connection-url>-->
<driver>mysql</driver>
<security>
<user-name>root</user-name>
<password>password</password>
</security>
</datasource>
<xa-datasource jndi-name="java:jboss/datasources/jBPMDS" pool-name="jBPMXADS" enabled="true">
<xa-datasource-property name="URL">jdbc:mysql://localhost:3306/jbpm5</xa-datasource-property>
<xa-datasource-class>com.mysql.jdbc.jdbc2.optional.MysqlXADataSource</xa-datasource-class>
<driver>mysql</driver>
<security>
<user-name>root</user-name>
<password>password</password>
</security>
</xa-datasource>
<drivers>
<driver name="mysql" module="com.mysql">
<xa-datasource-class>com.mysql.jdbc.jdbc2.optional.MysqlXADataSource</xa-datasource-class>
</driver>
</drivers>
an the Error is:
16:38:46,711 ERROR [org.jboss.as.server] (Controller Boot Thread) WFLYSRV0055: Caught exception during boot: org.jboss.as.controller.persistence.ConfigurationPersistenceException: WFLYCTL0085: Failed to parse configuration
at org.jboss.as.controller#11.1.1.Final//org.jboss.as.controller.persistence.XmlConfigurationPersister.load(XmlConfigurationPersister.java:143)
at org.jboss.as.server#11.1.1.Final//org.jboss.as.server.ServerService.boot(ServerService.java:392)
at org.jboss.as.controller#11.1.1.Final//org.jboss.as.controller.AbstractControllerService$1.run(AbstractControllerService.java:416)
at java.base/java.lang.Thread.run(Thread.java:829)
Caused by: javax.xml.stream.XMLStreamException: org.codehaus.stax2.typed.TypedXMLStreamException: ParseError at [row,col]:[169,70]
Message: Element content can not contain child START_ELEMENT when using Typed Access methods
at org.jboss.as.connector#19.1.0.Final//org.jboss.as.connector.subsystems.datasources.DataSourcesExtension$DataSourceSubsystemParser.readElement(DataSourcesExtension.java:650)
at org.jboss.as.connector#19.1.0.Final//org.jboss.as.connector.subsystems.datasources.DataSourcesExtension$DataSourceSubsystemParser.readElement(DataSourcesExtension.java:204)
at org.jboss.staxmapper#1.3.0.Final//org.jboss.staxmapper.XMLMapperImpl.processNested(XMLMapperImpl.java:122)
at org.jboss.staxmapper#1.3.0.Final//org.jboss.staxmapper.XMLExtendedStreamReaderImpl.handleAny(XMLExtendedStreamReaderImpl.java:69)
at org.jboss.as.server#11.1.1.Final//org.jboss.as.server.parsing.StandaloneXml_8.parseServerProfile(StandaloneXml_8.java:589)
at org.jboss.as.server#11.1.1.Final//org.jboss.as.server.parsing.StandaloneXml_8.readServerElement(StandaloneXml_8.java:224)
at org.jboss.as.server#11.1.1.Final//org.jboss.as.server.parsing.StandaloneXml_8.readElement(StandaloneXml_8.java:121)
at org.jboss.as.server#11.1.1.Final//org.jboss.as.server.parsing.StandaloneXml.readElement(StandaloneXml.java:120)
at org.jboss.as.server#11.1.1.Final//org.jboss.as.server.parsing.StandaloneXml.readElement(StandaloneXml.java:52)
at org.jboss.staxmapper#1.3.0.Final//org.jboss.staxmapper.XMLMapperImpl.processNested(XMLMapperImpl.java:122)
at org.jboss.staxmapper#1.3.0.Final//org.jboss.staxmapper.XMLMapperImpl.parseDocument(XMLMapperImpl.java:76)
at org.jboss.as.controller#11.1.1.Final//org.jboss.as.controller.persistence.XmlConfigurationPersister.load(XmlConfigurationPersister.java:126)
... 3 more
Caused by: org.codehaus.stax2.typed.TypedXMLStreamException: ParseError at [row,col]:[169,70]
Message: Element content can not contain child START_ELEMENT when using Typed Access methods
at org.codehaus.woodstox//com.ctc.wstx.sr.BasicStreamReader._constructTypeException(BasicStreamReader.java:5624)
at org.codehaus.woodstox//com.ctc.wstx.sr.BasicStreamReader._constructUnexpectedInTyped(BasicStreamReader.java:5618)
at org.codehaus.woodstox//com.ctc.wstx.sr.BasicStreamReader.getElementText(BasicStreamReader.java:737)
at org.jboss.staxmapper#1.3.0.Final//org.jboss.staxmapper.XMLExtendedStreamReaderImpl.getElementText(XMLExtendedStreamReaderImpl.java:144)
at org.jboss.as.connector#19.1.0.Final//org.jboss.as.connector.util.AbstractParser.rawElementText(AbstractParser.java:61)
at org.jboss.as.connector#19.1.0.Final//org.jboss.as.connector.subsystems.datasources.DsParser.parseDataSource_4_0(DsParser.java:1960)
at org.jboss.as.connector#19.1.0.Final//org.jboss.as.connector.subsystems.datasources.DsParser.parseDataSources(DsParser.java:229)
at org.jboss.as.connector#19.1.0.Final//org.jboss.as.connector.subsystems.datasources.DsParser.parse(DsParser.java:189)
at org.jboss.as.connector#19.1.0.Final//org.jboss.as.connector.subsystems.datasources.DataSourcesExtension$DataSourceSubsystemParser.readElement(DataSourcesExtension.java:643)

Answer 1

I think manipulating standalone configuration files directly is not a good idea and is also error-prone.
There are some scripts to do this, delivered with jbpm:
To switch to MySQL use the following command when the server is stopped
<JBOSS_HOME>/bin/jboss-cli.sh --file=jbpm-mysql-config.cli (Unix / Linux)
<JBOSS_HOME>\bin\jboss-cli.bat --file=jbpm-mysql-config.cli (Windows)
reference is here