Hi team, I have blanck page after upgrade from 0.9.13
there is my catalina. out 11:37:25.926 [http-bio-8080-exec-1] ERROR o.a.g.rest.RESTExceptionWrapper - Unexpected internal error: ### Error querying database. Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown column 'connection_weight' in 'field list' ### The error may exist in org/apache/guacamole/auth/jdbc/connection/ConnectionMapper.xml ### The error may involve defaultParameterMap ### The error occurred while setting parameters ### SQL: SELECT guacamole_connection.connection_id, guacamole_connection.connection_name, parent_id, $ ### Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown column 'connection_weight' in 'field list' févr. 13, 2018 11:37:25 AM com.sun.jersey.spi.container.ContainerResponse logException GRAVE: Mapped exception to response: 500 (Internal Server Error) org.apache.guacamole.rest.APIException at org.apache.guacamole.rest.RESTExceptionWrapper.invoke(RESTExceptionWrapper.java:202) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInvokerFactory.java:60) at com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$TypeOutInvoker._dispatch(AbstractResourceMethodDis$ at com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:75) at com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:302) at com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147) at com.sun.jersey.server.impl.uri.rules.SubLocatorRule.accept(SubLocatorRule.java:137) at com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147) at com.sun.jersey.server.impl.uri.rules.SubLocatorRule.accept(SubLocatorRule.java:137) at com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147) at com.sun.jersey.server.impl.uri.rules.SubLocatorRule.accept(SubLocatorRule.java:137) at com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147) Thanks