org.hibernate.QueryException: Unable to render boolean literal value [select ewbf from org.hibernate.test.type.EntityWithBooleanField ewbf where ewbf.booleanValue = true]
	at org.hibernate.QueryException.generateQueryException(QueryException.java:137)
	at org.hibernate.QueryException.wrapWithQueryString(QueryException.java:120)
	at org.hibernate.hql.internal.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:234)
	at org.hibernate.hql.internal.ast.QueryTranslatorImpl.compile(QueryTranslatorImpl.java:158)
	at org.hibernate.engine.query.spi.HQLQueryPlan.<init>(HQLQueryPlan.java:126)
	at org.hibernate.engine.query.spi.HQLQueryPlan.<init>(HQLQueryPlan.java:88)
	at org.hibernate.engine.query.spi.QueryPlanCache.getHQLQueryPlan(QueryPlanCache.java:190)
	at org.hibernate.internal.AbstractSessionImpl.getHQLQueryPlan(AbstractSessionImpl.java:301)
	at org.hibernate.internal.AbstractSessionImpl.createQuery(AbstractSessionImpl.java:236)
	at org.hibernate.internal.SessionImpl.createQuery(SessionImpl.java:1800)
	at org.hibernate.test.type.AttributeConverterTestNew.testHQLBooleanConversion(AttributeConverterTestNew.java:56)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
	at org.hibernate.testing.junit4.ExtendedFrameworkMethod.invokeExplosively(ExtendedFrameworkMethod.java:62)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
	at org.junit.internal.runners.statements.FailOnTimeout$StatementThread.run(FailOnTimeout.java:74)
Caused by: org.hibernate.QueryException: Unable to render boolean literal value
	at org.hibernate.hql.internal.ast.tree.BooleanLiteralNode.getRenderText(BooleanLiteralNode.java:65)
	at org.hibernate.hql.internal.ast.SqlGenerator.out(SqlGenerator.java:128)
	at org.hibernate.hql.internal.antlr.SqlGeneratorBase.simpleExpr(SqlGeneratorBase.java:2942)
	at org.hibernate.hql.internal.antlr.SqlGeneratorBase.expr(SqlGeneratorBase.java:1585)
	at org.hibernate.hql.internal.antlr.SqlGeneratorBase.binaryComparisonExpression(SqlGeneratorBase.java:3236)
	at org.hibernate.hql.internal.antlr.SqlGeneratorBase.comparisonExpr(SqlGeneratorBase.java:1395)
	at org.hibernate.hql.internal.antlr.SqlGeneratorBase.booleanExpr(SqlGeneratorBase.java:921)
	at org.hibernate.hql.internal.antlr.SqlGeneratorBase.whereExpr(SqlGeneratorBase.java:768)
	at org.hibernate.hql.internal.antlr.SqlGeneratorBase.selectStatement(SqlGeneratorBase.java:202)
	at org.hibernate.hql.internal.antlr.SqlGeneratorBase.statement(SqlGeneratorBase.java:135)
	at org.hibernate.hql.internal.ast.QueryTranslatorImpl.generate(QueryTranslatorImpl.java:260)
	at org.hibernate.hql.internal.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:226)
	... 20 more
Caused by: java.lang.ClassCastException: java.lang.Boolean cannot be cast to java.lang.String
	at org.hibernate.type.StringType.objectToSQLString(StringType.java:35)
	at org.hibernate.hql.internal.ast.tree.BooleanLiteralNode.getRenderText(BooleanLiteralNode.java:62)
	... 31 more