This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.
Joseph, Since you are running the IDV via webstart, I believe you will have to update your version of Java at http://java.com. Best, Unidata IDV Support > > I used the web launch feature since I am do not have authorization to install > it on my machine. > > -----Original Message----- > From: Unidata IDV Support [mailto:address@hidden] > Sent: Thursday, April 09, 2015 12:24 PM > To: Conklin, Joseph (FAA) > Cc: address@hidden > Subject: [IDV #QUO-888823]: IDV launch failed > > Joseph, > > Please give us more information like what version of the IDV you are running. > > Make sure you are running the latest IDV. > > http://www.unidata.ucar.edu/downloads/idv/current/index.jsp > > Best, > > Unidata IDV Support > > > Hello. > > > > I cannot get the IDV to launch on my machine (Windows 7). I get the > > following exception: > > java.lang.UnsupportedClassVersionError: ucar/unidata/idv/DefaultIdv : > > Unsupported major.minor version 51.0 at > > java.lang.ClassLoader.defineClass1(Native Method) at > > java.lang.ClassLoader.defineClassCond(Unknown Source) at > > java.lang.ClassLoader.defineClass(Unknown Source) at > > java.security.SecureClassLoader.defineClass(Unknown Source) at > > java.net.URLClassLoader.defineClass(Unknown Source) at > > java.net.URLClassLoader.access$000(Unknown Source) at > > java.net.URLClassLoader$1.run(Unknown Source) at > > java.security.AccessController.doPrivileged(Native Method) at > > java.net.URLClassLoader.findClass(Unknown Source) at > > com.sun.jnlp.JNLPClassLoader.findClass(Unknown Source) at > > java.lang.ClassLoader.loadClass(Unknown Source) at > > java.lang.ClassLoader.loadClass(Unknown Source) at > > com.sun.javaws.Launcher.doLaunchApp(Unknown Source) at > > com.sun.javaws.Launcher.run(Unknown Source) at > > java.lang.Thread.run(Unknown Source) > > > > Any help would be appreciated. > > > > Thank you. > > > > Joseph Conklin > > AJW-176 > > CSS-Wx/NWP Support > > 609-485-8273 > > > > > > > > > Ticket Details > =================== > Ticket ID: QUO-888823 > Department: Support IDV > Priority: Normal > Status: Closed > > Ticket Details =================== Ticket ID: QUO-888823 Department: Support IDV Priority: Normal Status: Closed