环境：activiti版本5.14，tomcat6，jdk6
把activiti-explorer.war放到tomcat里面运行之后，
http://localhost:8080/activiti-explorer/是可以访问的，
建个java工程写个main方法如下
public static void main(String[] args) {
ProcessEngine processEngine = ProcessEngineConfiguration.createStandaloneProcessEngineConfiguration().buildProcessEngine();
}
结果报错如下：
org.h2.jdbc.JdbcSQLException: Connection is broken: "java.net.ConnectException: Connection refused: connect: localhost" [90067-170]
at org.h2.message.DbException.getJdbcSQLException(DbException.java:329)
数据库连接都是activiti自带的连接，不知道是哪个搞错了，有谁知道吗?
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