Thanks, Bobby.
This trick is useful to find the problem.
The interesting thing is that I define the function in util.clj
```
(defn >~
[left right]
(do-something)
```
While I still cannot understand why the >~ is not a valid function name.
2015-06-06 1:23 GMT+08:00 Bobby Evans <[email protected]>:
> This is essentially saying that something you are importing in the ui code
> (core.clj) is causing issues. I'm not totally sure which import it is,
> because clojure is importing them dynamically. I would suggest that you
> change the code from
> ```(ns backtype.storm.ui.core
> (:use compojure.core)
> ...
> (:import [backtype.storm.utils Utils])
> ...
> (:gen-class))
>
> ```
> to something like
>
> ```
> (ns backtype.storm.ui.core
> (:gen-class))
> (use compojure.core)
> ...
> (import [backtype.storm.utils Utils])
> ...```
>
> This should give you a clue as to which import statement is causing the
> problem.
>
> - Bobby
>
>
>
> On Friday, June 5, 2015 12:09 PM, Chuanlei Ni <[email protected]>
> wrote:
>
>
> Really sorry for that. I will repost my question as follows.
> Hi, I want to implement a feature in auto-tuning the max-spout-pending
> parameter. (Yes, you already have known that this is the idea inspired by
> Twitter's 2014 Sigmod paper) Now I want to put some configuration in the
> defaults.yaml to control whether using the auto-tuning functionality and
> the tuning interval. So I did that in
> defaults.yamltopology.max.spout.pending: null
> topology.max.spout.pending.auto: false
> topology.max.spout.pending.update.interval: 120
> topology.state.synchronization.timeout.secs: 60And the corresponding code
> in the Config.java is as follows:public static final String
> TOPOLOGY_MAX_SPOUT_PENDING="topology.max.spout.pending";
> public static final Object TOPOLOGY_MAX_SPOUT_PENDING_SCHEMA =
> ConfigValidation.IntegerValidator;
> public static final String
> TOPOLOGY_MAX_SPOUT_PENDING_AUTO="topology.max.spout.pending.auto";
> public static final Object TOPOLOGY_MAX_SPOUT_PENDING_AUTO_SCHEMA =
> Boolean.class;
> public static final String
> TOPOLOGY_MAX_SPOUT_PENDING_UPDATE_INTERVAL="topology.max.spout.pending.update.interval";
> public static final Object
> TOPOLOGY_MAX_SPOUT_PENDING_UPDATE_INTERVAL_SCHEMA =
> ConfigValidation.IntegerValidator;
>
>
> As I run the mvn compile
> Maven gives me such errors
> 626 [main] INFO backtype.storm.utils.Utils - Using defaults.yaml from
> resourcesException in thread "main" java.lang.ExceptionInInitializerError
> at java.lang.Class.forName0(Native Method) at
> java.lang.Class.forName(Class.java:270) at
> clojure.lang.RT.loadClassForName(RT.java:2093) at
> clojure.lang.RT.load(RT.java:430) at clojure.lang.RT.load(RT.java:411) at
> clojure.core$load$fn__5066.invoke(core.clj:5641) at
> clojure.core$load.doInvoke(core.clj:5640) at
> clojure.lang.RestFn.invoke(RestFn.java:408) at
> clojure.core$load_one.invoke(core.clj:5446) at
> clojure.core$load_lib$fn__5015.invoke(core.clj:5486) at
> clojure.core$load_lib.doInvoke(core.clj:5485) at
> clojure.lang.RestFn.applyTo(RestFn.java:142) at
> clojure.core$apply.invoke(core.clj:626) at
> clojure.core$load_libs.doInvoke(core.clj:5528) at
> clojure.lang.RestFn.applyTo(RestFn.java:137) at
> clojure.core$apply.invoke(core.clj:628) at
> clojure.core$use.doInvoke(core.clj:5618) at
> clojure.lang.RestFn.invoke(RestFn.java:408) at
> backtype.storm.ui.core$loading__4958__auto__.invoke(core.clj:17) at
> backtype.storm.ui.core__init.load(Unknown Source) at
> backtype.storm.ui.core__init.<clinit>(Unknown Source) at
> java.lang.Class.forName0(Native Method) at
> java.lang.Class.forName(Class.java:270) at
> clojure.lang.RT.loadClassForName(RT.java:2093) at
> clojure.lang.RT.load(RT.java:430) at clojure.lang.RT.load(RT.java:411) at
> clojure.core$load$fn__5066.invoke(core.clj:5641) at
> clojure.core$load.doInvoke(core.clj:5640) at
> clojure.lang.RestFn.invoke(RestFn.java:408) at
> clojure.core$load_one.invoke(core.clj:5446)
> Because the suggestion of Clojure is such concise and abstract. I have
> spend hours on this problem.
> Any one has encountered this problem? Please help me kindly.
> Thanks.
> Best Regards
> ---------- Forwarded message ----------
> From: Chuanlei Ni <[email protected]>
> Date: 2015-06-06 0:50 GMT+08:00
> Subject: Begging for help about adding some fields in the defaults.yaml
> To: [email protected]
>
>
>
> Hi, I want to implement a feature in auto-tuning the max-spout-pending
> parameter. (Yes, you already have known that this is the idea inspired by
> Twitter's 2014 Sigmod paper) Now I want to put some configuration in the
> defaults.yaml to control whether using the auto-tuning functionality and
> the tuning interval. So I did that in defaults.yaml
> And the corresponding code in the Config.java is as follows:
> As I run the mvn compile
> Maven gives me such errors
>
> Because the suggestion of Clojure is such concise and abstract. I have
> spend hours on this problem.
> Any one has encountered this problem? Please help me kindly.
> Thanks.
> Best Regards
>
>
>
>
