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