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RESOLVED - issue SPR-6038: HSQLDB+Quarz using data source causes "Unexpected token: FOR in statement " exception

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Detect HSQL in LocalDataSourceJobStore and force locks to be taken locally (with a SimpleSemaphore)
This commit is contained in:
David Syer
2009-10-27 18:39:42 +00:00
parent 89424579ae
commit 2c0cf49b94
4 changed files with 225 additions and 0 deletions
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18
org.springframework.context.support/src/main/java/org/springframework/scheduling/quartz/LocalDataSourceJobStore.java
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@@ -23,12 +23,15 @@ import javax.sql.DataSource;
import org.quartz.SchedulerConfigException;
import org.quartz.impl.jdbcjobstore.JobStoreCMT;
import org.quartz.impl.jdbcjobstore.SimpleSemaphore;
import org.quartz.spi.ClassLoadHelper;
import org.quartz.spi.SchedulerSignaler;
import org.quartz.utils.ConnectionProvider;
import org.quartz.utils.DBConnectionManager;
import org.springframework.jdbc.datasource.DataSourceUtils;
import org.springframework.jdbc.support.JdbcUtils;
import org.springframework.jdbc.support.MetaDataAccessException;
/**
* Subclass of Quartz's JobStoreCMT class that delegates to a Spring-managed
@@ -131,7 +134,22 @@ public class LocalDataSourceJobStore extends JobStoreCMT {
}
);
// No, if HSQL is the platform, we really don't want to use locks
try {
String productName = JdbcUtils.extractDatabaseMetaData(dataSource,
"getDatabaseProductName").toString();
productName = JdbcUtils.commonDatabaseName(productName);
if (productName != null
&& productName.toLowerCase().contains("hsql")) {
setUseDBLocks(false);
setLockHandler(new SimpleSemaphore());
}
} catch (MetaDataAccessException e) {
logWarnIfNonZero(1, "Could not detect database type. Assuming locks can be taken.");
}
super.initialize(loadHelper, signaler);
}
@Override