This error is related to SQL Injection secuirty related fix in 4.5 1. Please check that the report you are running does not contain the SQL query which has comments in start of query. As of 4.5, such queries will not be allowed , as they pose SQL Injection security risk 2. can u please add exact error log from the "jasperserver.log" to get the exact error message. Then we will be able to provide you the correct workaround by configuring the secuirty related properties file 3. As easy workaround, you can also go to /jasperserver-pro/WEB-INF/classes/esapi/security-config.properties file and then disable the secuirty for SQL Injection:- security.validation.sql.on=true thanks Ramnik Kaur Lead QA Engineer