Estou tendo esse problema:
javax.servlet.ServletException: javax.persistence.PersistenceException: org.hibernate.exception.SQLGrammarException: could not extract ResultSet
Esse é o meu pom:
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>br.com.casadocodigo</groupId>
<artifactId>casadocodigo</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>
<name>WildFly Quickstarts: casadocodigo</name>
<description>A starter Java EE 7 webapp project for use on JBoss WildFly / WildFly, generated from the jboss-javaee6-webapp archetype</description>
<url>http://wildfly.org</url>
<licenses>
<license>
<name>Apache License, Version 2.0</name>
<distribution>repo</distribution>
<url>http://www.apache.org/licenses/LICENSE-2.0.html</url>
</license>
</licenses>
<properties>
<!-- Explicitly declaring the source encoding eliminates the following
message: -->
<!-- [WARNING] Using platform encoding (UTF-8 actually) to copy filtered
resources, i.e. build is platform dependent! -->
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<!-- JBoss dependency versions -->
<version.wildfly.maven.plugin>1.0.2.Final</version.wildfly.maven.plugin>
<!-- Define the version of the JBoss BOMs we want to import to specify
tested stacks. -->
<version.jboss.bom>8.2.1.Final</version.jboss.bom>
<!-- other plugin versions -->
<version.compiler.plugin>3.1</version.compiler.plugin>
<version.surefire.plugin>2.16</version.surefire.plugin>
<version.war.plugin>2.5</version.war.plugin>
<!-- maven-compiler-plugin -->
<maven.compiler.target>1.7</maven.compiler.target>
<maven.compiler.source>1.7</maven.compiler.source>
</properties>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.wildfly.bom</groupId>
<artifactId>jboss-javaee-7.0-with-tools</artifactId>
<version>${version.jboss.bom}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
<dependency>
<groupId>org.wildfly.bom</groupId>
<artifactId>jboss-javaee-7.0-with-hibernate</artifactId>
<version>${version.jboss.bom}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<dependencies>
<dependency>
<groupId>javax.enterprise</groupId>
<artifactId>cdi-api</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
E esse é meu persistence:
<persistence version="2.1"
xmlns="http://xmlns.jcp.org/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="
http://xmlns.jcp.org/xml/ns/persistence
http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd">
<persistence-unit name="casadocodigo" transaction-type="JTA">
<provider>org.hibernate.ejb.HibernatePersistence</provider>
<!--class>br.com.casadocodigo.model.Livro</class-->
<jta-data-source>java:/jdbc/OracleDS</jta-data-source>
<properties>
<property name="hibernate.archive.autodetection" value="class" />
<property name="hibernate.dialect" value="org.hibernate.dialect.OracleDialect" />
<property name="hibernate.connection.driver_class" value="oracle.jdbc.driver.OracleDriver" />
<property name="hibernate.show_sql" value="true"/>
</properties>
</persistence-unit>
</persistence>