Trying create db using ant - postgresql

Question

My build.xml
<?xml version='1.0'?>
<project xmlns:ivy="antlib:org.apache.ivy.ant" name='myTest' basedir='.' default='usage'>
<property file='build.properties' />
<property name='src.dir' value='src' />
<property name='web.dir' value='war' />
<property name='build.dir' value='${web.dir}/WEB-INF/classes' />
<property name='name' value='myTest' />
<property name="sql.driver" value="org.postgresql.Driver"/>
<property name="sql.url" value="jdbc:postgresql://localhost:5432/tbook"/>
<property name="sql.user" value="postgres"/>
<property name="sql.pass" value="admin"/>
<path id='master-classpath'>
<fileset dir='${web.dir}/WEB-INF/lib'>
<include name='*.jar' />
</fileset>
<!-- We need the servlet API classes: -->
<!-- * for Tomcat 5/6 use servlet-api.jar -->
<!-- * for other app servers - check the docs -->
<fileset dir='${appserver.lib}'>
<include name='servlet*.jar' />
</fileset>
<pathelement path='${build.dir}' />
</path>
<target name='usage'>
<echo message='' />
<echo message='${name} build file' />
<echo message='-----------------------------------' />
<echo message='' />
<echo message='Available targets are:' />
<echo message='' />
<echo message='build --> Build the application' />
<echo message='deploy --> Deploy application as directory' />
<echo message='deploywar --> Deploy application as a WAR file' />
<echo message='resolve --> retrieve dependencies with ivy' />
<echo message='' />
</target>
<target name="createDB_PostgreSQl">
<sql driver="${sql.driver}"
url="${sql.url}"
userid="${sql.user}"
password="${sql.pass}"
src="db.sql">
<classpath refid="master-classpath"/>
</sql>
</target>
<target name="dropDB_PostgreSQl">
<input message="Do you really want to delete this table (y/n)?" validargs="y,n" addproperty="do.delete" />
<condition property="do.abort">
<equals arg1="n" arg2="${do.delete}"/>
</condition>
<fail if="do.abort">Build aborted by user.</fail>
<sql driver="${sql.driver}" url="${sql.url}" userid="${sql.user}" password="${sql.pass}" >
<classpath>
<pathelement location="postgresql-9.0-802.jdbc4.jar"/>
</classpath>
drop database sample_project;
</sql>
</target>
<target name="createTables_PostgreSQL">
<sql driver="${sql.driver}" url="${sql.url}" userid="${sql.user}" password="${sql.pass}" >
<classpath refid="master-classpath"/>
<transaction src="user.sql"/>
</sql>
</target>
<target name='build' description='Compile main source tree java files'>
<mkdir dir='${build.dir}' />
<javac destdir='${build.dir}' source='1.5' target='1.5' debug='true'
deprecation='false' optimize='false' failonerror='true'>
<src path='${src.dir}' />
<classpath refid='master-classpath' />
</javac>
</target>
<target name="clean">
<delete includeemptydirs="false">
<fileset dir="build/" includes="**/**"/>
</delete>
</target>
<target name='deploy' depends='build' description='Deploy application'>
<copy todir='${deploy.path}/${name}' preservelastmodified='true'>
<fileset dir='${web.dir}'>
<include name='**/*.*' />
</fileset>
</copy>
</target>
<target name="resolve" description="retrieve dependencies with ivy">
<ivy:retrieve />
</target>
<target name='deploywar' depends='build'
description='Deploy application as a WAR file'>
<war destfile='${name}.war' webxml='${web.dir}/WEB-INF/web.xml'>
<fileset dir='${web.dir}'>
<include name='**/*.*' />
</fileset>
</war>
<copy todir='${deploy.path}' preservelastmodified='true'>
<fileset dir='.'>
<include name='*.war' />
</fileset>
</copy>
</target>
</project>
Exception is:
org.postgresql.util.PSQLException:ERROR: CREATE DATABASE can not be executed inside a transaction block

Answer 1

Take a look at this thread from the past. http://archives.postgresql.org/pgsql-jdbc/2005-11/msg00132.php
Basically for the create db task add this autocommit="true"