Refactor examples

examples/src/main/java/io/zenoh/ZInfo.java

@@ -43,9 +43,6 @@ public Integer call() throws Exception {
             System.out.println("zid: " + info.zid());
             System.out.println("routers zid: " + info.routersZid());
             System.out.println("peers zid: " + info.peersZid());
-        } catch (ZError e) {
-            System.err.println("Error during Zenoh operation: " + e.getMessage());
-            return 1;
         }
         return 0;
     }

examples/src/main/java/io/zenoh/ZLiveliness.java

@@ -46,10 +46,6 @@ public Integer call() throws Exception {
             while (true) {
                 Thread.sleep(1000);
             }
-
-        } catch (ZError e) {
-            System.err.println("Error during Zenoh operation: " + e.getMessage());
-            return 1;
         }
     }
 

examples/src/main/java/io/zenoh/ZPing.java

@@ -85,11 +85,7 @@ public Integer call() throws Exception {
                 long rtt = samples.get(i);
                 System.out.printf("%d bytes: seq=%d rtt=%dµs lat=%dµs%n", payloadSize, i, rtt, rtt / 2);
             }
-        } catch (ZError e) {
-            System.err.println("Error: " + e.getMessage());
-            return 1;
         }
-
         return 0;
     }
 

examples/src/main/java/io/zenoh/ZPong.java

@@ -60,9 +60,6 @@ public Integer call() throws Exception {
             });
 
             latch.await();
-        } catch (ZError e) {
-            System.err.println("Error: " + e.getMessage());
-            return 1;
         }
         return 0;
     }

examples/src/main/java/io/zenoh/ZPub.java

@@ -38,7 +38,7 @@
 public class ZPub implements Callable<Integer> {
 
     @Override
-    public Integer call() throws ZError {
+    public Integer call() throws ZError, InterruptedException {
         Zenoh.initLogFromEnvOr("error");
         Config config = loadConfig(emptyArgs, configFile, connect, listen, noMulticastScouting, mode);
 
@@ -72,9 +72,6 @@ public Integer call() throws ZError {
                 }
                 idx++;
             }
-        } catch (Exception e) {
-            System.err.println("Error: " + e.getMessage());
-            return 1;
         }
     }
 

examples/src/main/java/io/zenoh/ZPut.java

@@ -49,11 +49,7 @@ public Integer call() throws Exception {
             } else {
                 session.put(keyExpr, ZBytes.from(value));
             }
-        } catch (ZError e) {
-            System.err.println("Error during Zenoh operation: " + e.getMessage());
-            return 1;
         }
-
         return 0;
     }
 

examples/src/main/java/io/zenoh/ZSubThr.java

@@ -47,9 +47,6 @@ public Integer call() throws Exception {
                     Thread.sleep(1000);
                 }
             }
-        } catch (ZError e) {
-            System.err.println("Error during Zenoh operation: " + e.getMessage());
-            return 1;
         }
         return 0;
     }