Ubuntu – Unable to resolve host error after a VPN session
Problem: Ubuntu unable to resolve hosts after a disrupted VPN session. Reason: The DNS server not reset to normal from that of the VPN network. Fix: On terminal...
Category: Notes
Override certificate error in Cisco AnyConnect Client on Ubuntu 12.04 64 bit
Problem: Cisco Anyconnect client does not give an option to override the “invalid certificate error” and go ahead using the current certificate of t...
Eclipse fails to start up in Ubuntu after installing Oracle Java
Problem: Eclipse fails to start, with message – java.lang.UnsatisfiedLinkError: Could not load SWT library. Reasons: no swt-gtk-3740 in java.library.path ...
Install LAMP on Ubuntu 12.04 LTS
To install LAMP server on Ubuntu – On terminal, do – sudo apt-get install tasksel sudo tasksel install lamp-server Test Apache Go to URL http://loca...
Fix : Ubuntu Boot error – Boot device not found (after partitioning)
Problem: Ubuntu gives the message “Boot device not found” after partitioning using Gparted (done from a usb instance). Reason : Unknown. Could be th...
Hibernate calls hang after giving message “opening JDBC connection”
Bug: Hibernate calls hang after giving the message “opening JDBC connection” in the logs. No exception/error message is thrown. Reason: Connection t...
Hibernate Gives Connection Pool Error: Timeout waiting for idle object
Bug: Hibernate connection times out (after the maxWait duration set for the datasource), and gives error message in the log – “Timeout waiting for i...
ClassCastException for same class on slim3 for Google App Engine
Bug: A class cast exception like the following is thrown – class x.y.z.MyClass cannot be cast to class x.y.z.MyClass Reason: The class loaders for both th...
jqGrid cell data disappears on clicking other cells
Bug: jqGrid cell data in a previously edited cell disappears on editing other rows. This usually occurs after a cell or row value is edited programmatically. Re...
Solution to Hibernate error: Unknown column ‘******’ in ‘order clause’
Bug: A above exception thrown when using hibernate. Reason: This error occurs usually because of a misplaced “order by” clause. If in a many to many...