Hi Gino: Were you not specifying the database driver class in Properties before this? Driver class and PlugIn class definitely should always be specified.
Tim > On Feb 10, 2020, at 5:37 AM, Gino Pacitti via Webobjects-dev > <webobjects-dev@lists.apple.com> wrote: > > What seems to have fixed is adding this in my properties file for the > connection dictionary: > > mymodel.DBDriver = com.mysql.cj.jdbc.Driver > > I installed the latest JDBC adaptor from MySQL and updated the Drive info… > > The last few days I have had no issues… > > Gino > >> On 7 Feb 2020, at 17:36, Tim W <li...@thetimmy.com> wrote: >> >> Hi Gino: >> >> I think I might have seen this error when the MySQLPlugin is not in the app >> classpath? In other words, some SQL that the frameworks are trying to build >> for a transaction are subsequently not being customized properly for MySQL >> before being sent to the DB. >> >> The errors makes sense in that context. First, there is an attempt to build >> the SQL string, then com.mysql.jdbc.PreparedStatement.executeInternal >> experiences an error parsing what has been sent. >> >> Check it out. >> >> Tim >> >>> On Feb 4, 2020, at 1:00 PM, Gino Pacitti via Webobjects-dev >>> <webobjects-dev@lists.apple.com> wrote: >>> >>> Hi >>> Has anyone encountered this sort of error before? >>> >>> It does not happen all the time but just on occasion. >>> >>> mysql Ver 14.14 Distrib 5.7.28, for Linux (x86_64) using EditLine wrapper >>> >>> Java 8 >>> >>> mysql-connector-java-8.0.19.jar >>> >>> This is my connection URL >>> jdbc:mysql://127.0.0.1/<DATABASE>_UTF_8?capitalizeTypeNames=true&useUnicode=true&characterEncoding=UTF-8&characterSetResults=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&sendFractionalSeconds=false&autoReconnect=true&useServerPrepStmts=false&rewriteBatchedStatements=true&useCompression=true >>> >>> And here is the error >>> Unexpected exception encountered during >>> query.java.lang.NullPointerExceptionat >>> com.mysql.jdbc.SQLError.createSQLException(SQLError.java:965)com.mysql.jdbc.SQLError.createSQLException(SQLError.java:965) >>> at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:898) >>> at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:887) >>> at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:861) >>> at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2532) >>> at >>> com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1903) >>> at com.mysql.jdbc.PreparedStatement.execute(PreparedStatement.java:1242) >>> at >>> com.webobjects.jdbcadaptor.JDBCChannel._bindInputVariablesWithBindingsAndExecute(JDBCChannel.java:265) >>> at >>> com.webobjects.jdbcadaptor.JDBCChannel._evaluateExpression(JDBCChannel.java:337) >>> at >>> com.webobjects.jdbcadaptor.JDBCChannel.evaluateExpression(JDBCChannel.java:296) >>> at >>> er.extensions.jdbc.ERXJDBCAdaptor$Channel.evaluateExpression(ERXJDBCAdaptor.java:283) >>> at >>> com.webobjects.jdbcadaptor.JDBCChannel.selectAttributes(JDBCChannel.java:220) >>> at >>> er.extensions.jdbc.ERXJDBCAdaptor$Channel.selectAttributes(ERXJDBCAdaptor.java:200) >>> at >>> com.webobjects.eoaccess.EODatabaseChannel._selectWithFetchSpecificationEditingContext(EODatabaseChannel.java:897) >>> at >>> com.webobjects.eoaccess.EODatabaseChannel.selectObjectsWithFetchSpecification(EODatabaseChannel.java:234) >>> at >>> com.webobjects.eoaccess.EODatabaseContext._objectsWithFetchSpecificationEditingContext(EODatabaseContext.java:3055) >>> at >>> com.webobjects.eoaccess.EODatabaseContext.objectsWithFetchSpecification(EODatabaseContext.java:3195) >>> at >>> com.webobjects.eocontrol.EOObjectStoreCoordinator.objectsWithFetchSpecification(EOObjectStoreCoordinator.java:488) >>> at >>> com.webobjects.eocontrol.EOEditingContext.objectsWithFetchSpecification(EOEditingContext.java:4069) >>> at er.extensions.eof.ERXEC.objectsWithFetchSpecification(ERXEC.java:1307) >>> at >>> com.webobjects.eocontrol.EOEditingContext.objectsWithFetchSpecification(EOEditingContext.java:4444) >>> at >>> er.extensions.eof.ERXFetchSpecification.fetchObjects(ERXFetchSpecification.java:155) >>> _______________________________________________ >>> Do not post admin requests to the list. They will be ignored. >>> Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) >>> Help/Unsubscribe/Update your Subscription: >>> https://lists.apple.com/mailman/options/webobjects-dev/lists%40thetimmy.com >>> >>> This email sent to li...@thetimmy.com > > _______________________________________________ > Do not post admin requests to the list. They will be ignored. > Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/mailman/options/webobjects-dev/lists%40thetimmy.com > > This email sent to li...@thetimmy.com _______________________________________________ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
