Fix bug where exception message is not included in log entry

1 files changed, 4 insertions, 4 deletions

diff --git a/vespa-http-client/src/main/java/com/yahoo/vespa/http/client/core/communication/IOThread.java b/vespa-http-client/src/main/java/com/yahoo/vespa/http/client/core/communication/IOThread.java
index 16a541f939c..ee83803e9eb 100644
--- a/vespa-http-client/src/main/java/com/yahoo/vespa/http/client/core/communication/IOThread.java
+++ b/vespa-http-client/src/main/java/com/yahoo/vespa/http/client/core/communication/IOThread.java
@@ -319,12 +319,12 @@ class IOThread implements Runnable, AutoCloseable {
                     successfullHandshakes.getAndIncrement();
                 } catch (ServerResponseException ser) {
                     executeProblemsCounter.incrementAndGet();
-                    log.log(Level.INFO, "Handshake did not work out " + endpoint, Exceptions.toMessageString(ser));
+                    log.log(Level.INFO, "Handshake did not work out {0}: {1}", new Object[] {endpoint, Exceptions.toMessageString(ser)});
                     drainFirstDocumentsInQueueIfOld();
                     return ThreadState.CONNECTED;
                 } catch (Throwable throwable) { // This cover IOException as well
                     executeProblemsCounter.incrementAndGet();
-                    log.log(Level.INFO, "Problem with Handshake " + endpoint, Exceptions.toMessageString(throwable));
+                    log.log(Level.INFO, "Problem with Handshake {0}: {1}", new Object[] {endpoint, Exceptions.toMessageString(throwable)});
                     drainFirstDocumentsInQueueIfOld();
                     client.close();
                     return ThreadState.DISCONNECTED;
@@ -336,11 +336,11 @@ class IOThread implements Runnable, AutoCloseable {
                     gatewayThrottler.handleCall(processResponse.transitiveErrorCount);
                 }
                 catch (ServerResponseException ser) {
-                    log.info("Problems while handing data over to gateway " + endpoint + ": " + Exceptions.toMessageString(ser));
+                    log.log(Level.INFO, "Problems while handing data over to gateway {0}: {1}", new Object[] {endpoint, Exceptions.toMessageString(ser)});
                     return ThreadState.CONNECTED;
                 }
                 catch (Throwable e) { // Covers IOException as well
-                    log.info("Problems while handing data over to gateway  " + endpoint + ": " + Exceptions.toMessageString(e));
+                    log.log(Level.INFO, "Problems while handing data over to gateway  {0}: {1}", new Object[] {endpoint, Exceptions.toMessageString(e)});
                     client.close();
                     return ThreadState.DISCONNECTED;
                 }