MyBatis version
3.5.5
Database vendor and version
Mysql
Test case or example project
====
SqlSession sqlSession = sqlSessionFactory.openSession(); BasicMapper mapper = sqlSession.getMapper(BasicMapper.class); for (int i = 0; i < 2000000; i++) { System.out.println(mapper.queryName(i)); } sqlSession.commit();
====
@CacheNamespace(blocking = true)
public interface BasicMapper {
@Select("select value from demo where id = #{id}")
String queryName(@Param("id") int id);
}
Steps to reproduce
Running test case. Set jvm options -Xms20m -Xmx20m(this option just make result more easy to appear) To make a compare.we can set blocking = flase then see whether OutOfMemoryErro happen.
Expected result
no error.
Actual result
Programe has been OutOfMemoryError.
Comment From: harawata
This may be a duplicate of #1261 .