Hi, I read the whole log messages and found that you have invalid interpreter-setting.json
Please check that `conf/interpreter-setting.json` is valid. 1. Caused by: java.lang.ClassCastException: com.google.gson.internal.LinkedTreeMap cannot be cast to com.google.gson.internal.StringMap 2. at org.apache.zeppelin.interpreter.InterpreterSettingManager.loadFromFile(InterpreterSettingManager.java:172) 3. at org.apache.zeppelin.interpreter.InterpreterSettingManager.init(InterpreterSettingManager.java:340) 4. at org.apache.zeppelin.interpreter.InterpreterSettingManager.<init>(InterpreterSettingManager.java:151) 5. at org.apache.zeppelin.server.ZeppelinServer.<init>(ZeppelinServer.java:143) As you know, HTTP Code 503 is ocurred because Zeppelin failed to start. (Service Unavailable) Regard, On Sun, Jul 23, 2017 at 12:48 AM, Suvayu Ali <fatkasuvayu+li...@gmail.com> wrote: > Hi Zeppelin users, > > I'm trying out Zeppelin before I can deploy it on Amazon EMR, but I seem > to be running into the error mentioned in the subject. In the page it > says: "Problem accessing /. Reason: Service. Unavailable". I'm using > the pre-compiled download with Spark 2.1.1 and Hadoop 2.7.3 (on a single > node, my laptop). I can start a spark (or pyspark) shell, use HDFS, and > run small spark jobs. > > Some searching tells me, similar http errors are common, but none of the > resolutions seem to work for me. What I have tried include checking if > the webapps directory is writable: > > $ ll -d webapps/ > drwxrwxr-x. 1 jallad jallad 12 Jul 22 20:42 webapps/ > > /tmp is writable: > > $ ll -d /tmp/Jetty_* > drwxrwxr-x. 3 jallad jallad 60 Jul 22 20:41 > /tmp/Jetty_0_0_0_0_50070_hdfs____w2cu08 > drwxrwxr-x. 3 jallad jallad 60 Jul 22 20:41 /tmp/Jetty_0_0_0_0_50090_ > secondary____y6aanv > drwxrwxr-x. 4 jallad jallad 80 Jul 22 20:42 > /tmp/Jetty_0_0_0_0_8042_node____19tj0x > drwxrwxr-x. 4 jallad jallad 80 Jul 22 20:42 /tmp/Jetty_0_0_0_0_8088_ > cluster____u0rgz3 > drwxrwxr-x. 3 jallad jallad 60 Jul 22 20:41 /tmp/Jetty_localhost_39637_ > datanode____5b8f6j > > You can find the logs here: > > - zeppelin-jallad-host.log: https://pastebin.com/mByZ80DR > - zeppelin-jallad-host.out: https://pastebin.com/6dwkgnsn > > So what am I missing? Can someone help? > > Btw, I also quickly tried out Zeppelin on EMR, and I seem to be getting > an empty zeppelin home page, with no links to create a notebook. That's > what prompted me to try it out on my laptop. > > Thanks, > > -- > Suvayu > > Open source is the future. It sets us free. >
