Don't log multi-megabyte guice exceptions.

Instead just log the same thing we print to the startup console for that case (magic logic),
it sucks to do this, but guice exceptions are too much.

All other non-guice exceptions will still be fully logged.

Closes #13782

core/src/main/java/org/elasticsearch/bootstrap/Bootstrap.java

@@ -27,6 +27,7 @@
 import org.elasticsearch.common.cli.CliTool;
 import org.elasticsearch.common.cli.Terminal;
 import org.elasticsearch.common.collect.Tuple;
+import org.elasticsearch.common.inject.CreationException;
 import org.elasticsearch.common.lease.Releasables;
 import org.elasticsearch.common.logging.ESLogger;
 import org.elasticsearch.common.logging.Loggers;
@@ -40,6 +41,8 @@
 import org.elasticsearch.node.NodeBuilder;
 import org.elasticsearch.node.internal.InternalSettingsPreparer;
 
+import java.io.ByteArrayOutputStream;
+import java.io.PrintStream;
 import java.util.Locale;
 import java.util.concurrent.CountDownLatch;
 
@@ -281,7 +284,18 @@ static void init(String[] args) throws Throwable {
             if (INSTANCE.node != null) {
                 logger = Loggers.getLogger(Bootstrap.class, INSTANCE.node.settings().get("name"));
             }
-            logger.error("Exception", e);
+            // HACK, it sucks to do this, but we will run users out of disk space otherwise
+            if (e instanceof CreationException) {
+                // guice: log the shortened exc to the log file
+                ByteArrayOutputStream os = new ByteArrayOutputStream();
+                PrintStream ps = new PrintStream(os, false, "UTF-8");
+                new StartupError(e).printStackTrace(ps);
+                ps.flush();
+                logger.error("Guice Exception: {}", os.toString("UTF-8"));
+            } else {
+                // full exception
+                logger.error("Exception", e);
+            }
             // re-enable it if appropriate, so they can see any logging during the shutdown process
             if (foreground) {
                 Loggers.enableConsoleLogging();

core/src/main/java/org/elasticsearch/bootstrap/StartupError.java

@@ -97,7 +97,11 @@ public void printStackTrace(PrintStream s) {
                 linesWritten++;
             }
         }
-        s.println("Refer to the log for complete error details.");
+        // if its a guice exception, the whole thing really will not be in the log, its megabytes.
+        // refer to the hack in bootstrap, where we don't log it
+        if (originalCause instanceof CreationException == false) {
+            s.println("Refer to the log for complete error details.");
+        }
     }
 
     /**