HSQLDB正在Windows上工作但在Linux上抛出异常

This is really annoying: my java web-application deployed on Windows Tomcat runs perfectly. When application is deployed to Linux HSQLDB starts throwing exeptions about bad SQL grammar and syntax of elementary SQL statements. Like "DROP TABLE Test IF EXISTS" "IF EXISTS" is an error or "double" type is not supported. I tested with hsql 2.1.0 and hsql 1.8.1 - same errors.This is really annoying: my java web-applicatio