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<== Date ==> <== Thread ==>
Subject: the first installing jca2.1.2 problem
From: "zhaozhuo" <[email protected]>
To: "tech-talk" <[email protected]>
Date: Fri, 8 Jun 2007 15:47:32 +0800
I installed jdk1.5.0 and base3.14.7 and jca binary from jca2.1.2-linux-x86.tgz, added CLASSPATH and LD_LIBRARY_PATH.
Now I excersised the example1.java in the tutorial , But when I excute "javac example1.java", and got these:
 
example1.java:12:cannot find symbol
symbol       : class JCALibrary
location:class example1
 
    JCALibrary jca= JCALibrary.getInstance();
 
Who can help me?
 
I copied the script "example1.java" and configured the file ".JCALibrary.properties" like the following:
 
// File: example1.java
 
public class example1 {
  public static void main(String[] args) {
    if(args.length!=1) {
      System.out.println("usage: java example1 <pvname>");
      return;
    }
   
    try {
      // Get the JCALibrary instance.
      JCALibrary jca= JCALibrary.getInstance();
 
    // Create a single threaded context with default configuration values.
    Context ctxt= jca.createContext(JCALibrary.JNI_SINGLE_THREADED);
 
    // Display basic information about the context.
    ctxt.printInfo();
 
    // send the request and wait 5.0 seconds for the channel to connect to the PV.
    ctxt.pendIO(5.0);
 
    // If we're here, then everything went fine.
    // Display basic information about the channel.
    ch.printInfo();
 
    // Disconnect the channel.
    ch.destroy();
 
    // Destroy the context.
    ctxt.destroy();
 
  } catch(Exception ex) {
    System.err.println(ex);
  }
 }
}
 
//File JCALibrary.properties
#define the location of the epics shared libraries and caRepeater executable
#gov.aps.jca.jni.epics.win32-x86.library.path= c:/epics/baseR3.14.4/bin/win32-x86
#gov.aps.jca.jni.epics.win32-x86.caRepeater.path= c:/epics/baseR3.14.4/bin/win32-x86
 
gov.aps.jca.jni.epics.linux-x86.library.path= /home/epicsadm/epics3.14.7/base-3.14.7/lib/linux-x86
gov.aps.jca.jni.epics.linux-x86.caRepeater.path= /home/epicsadm/epics3.14.7/base-3.14.7/bin/linux-x86
 
# define default values for both JNI_THREAD_SAFE and JNI_SINGLE_THREADED contexts.
gov.aps.jca.jni.JNIContext.preemptive_callback= true
gov.aps.jca.jni.JNIContext.addr_list="192.168.44.244"
gov.aps.jca.jni.JNIContext.auto_addr_list= true
gov.aps.jca.jni.JNIContext.connection_timeout= 30.0
gov.aps.jca.jni.JNIContext.beacon_period= 15.0
gov.aps.jca.jni.JNIContext.repeater_port= 5065
gov.aps.jca.jni.JNIContext.server_port= 5064
gov.aps.jca.jni.JNIContext.max_array_bytes= 16384
 
# define default values only for JNI_SINGLE_THREADED context
gov.aps.jca.jni.SingleThreadedContext.event_dispatcher= gov.aps.jca.event.DirectEventDispatcher
 
# define default values only for JNI_THREAD_SAFE context
gov.aps.jca.jni.ThreadSafeContext.event_dispatcher= gov.aps.jca.event.QueuedEventDispatcher
gov.aps.jca.jni.ThreadSafeContext.priority= 5
 
# define default values for QueuedEventDispatcher components
gov.aps.jca.event.QueuedEventDispatcher= 5
 
 
 
 
Replies:
Re: the first installing jca2.1.2 problem Thomas Pelaia II
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