Hi everyvody,<br>I'm developing a new API based on libvirt.<br>I'm currently stucked using getSchedulerParameters, always is returning a nullpointerexception, no matter which Xen Domain I'm passing to the function.<br>
<br>Enclosing both the code and the error console:<br><br><br>public int getCPUPriority(String name) {<br> int res=-1;<br> <br> try {<br> Domain d = getDomain(name);<br> SchedParameter[] pars = d.getSchedulerParameters();<br>
<br> for (SchedParameter pri : pars) {<br> if (pri.field=="weight")<br> res=Integer.parseInt(pri.getValueAsString());<br> }<br> <br> } catch (LibvirtException e) {<br>
log.error(" Error: getting CPU priority of \""+name+"\"." + e.getClass());<br> e.printStackTrace();<br> }<br> <br> return res;<br> }<br><br><br>
<br>Dec 11, 2009 1:04:18 PM net.emotivecloud.virtmonitor.VirtMonitor getCPUCapacity<br>SEVERE: Error: getting CPU capacity of "XenTest".<br>java.lang.NullPointerException<br> at org.libvirt.SchedParameter.create(Unknown Source)<br>
at org.libvirt.Domain.getSchedulerParameters(Unknown Source)<br> at net.emotivecloud.virtmonitor.VirtMonitor.getCPUCapacity(VirtMonitor.java:462)<br> at net.emotivecloud.virtmonitor.VirtMonitor.main(VirtMonitor.java:763)<br>
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)<br> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)<br> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)<br>
at java.lang.reflect.Method.invoke(Method.java:616)<br> at org.codehaus.mojo.exec.ExecJavaMojo$1.run(ExecJavaMojo.java:283)<br> at java.lang.Thread.run(Thread.java:636)<br><br><br>Any ideas?<br><br>Thanks in advance, <br>
<br><br>Marc Gonzalez Mateo<br><br><br><br>