{"action":"opened","issue":{"url":"https://api.github.com/repos/s-u/rJava/issues/84","repository_url":"https://api.github.com/repos/s-u/rJava","labels_url":"https://api.github.com/repos/s-u/rJava/issues/84/labels{/name}","comments_url":"https://api.github.com/repos/s-u/rJava/issues/84/comments","events_url":"https://api.github.com/repos/s-u/rJava/issues/84/events","html_url":"https://github.com/s-u/rJava/issues/84","id":172610268,"number":84,"title":"Java debugging -> abort","user":{"login":"kapelner","id":658168,"avatar_url":"https://avatars.githubusercontent.com/u/658168?v=3","gravatar_id":"","url":"https://api.github.com/users/kapelner","html_url":"https://github.com/kapelner","followers_url":"https://api.github.com/users/kapelner/followers","following_url":"https://api.github.com/users/kapelner/following{/other_user}","gists_url":"https://api.github.com/users/kapelner/gists{/gist_id}","starred_url":"https://api.github.com/users/kapelner/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/kapelner/subscriptions","organizations_url":"https://api.github.com/users/kapelner/orgs","repos_url":"https://api.github.com/users/kapelner/repos","events_url":"https://api.github.com/users/kapelner/events{/privacy}","received_events_url":"https://api.github.com/users/kapelner/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2016-08-23T04:32:21Z","updated_at":"2016-08-23T04:32:21Z","closed_at":null,"body":"Hi Simon,\r\n\r\nLong time user here - bartMachine maintainer - now shooting for another machine learning package with rJava.\r\n\r\nI would like to use debugging features as printing to console within Java within R is hit or miss.\r\n\r\nHowever when I run\r\n\r\n```\r\n> options(java.parameters = c(\"-Xmx3000m\", \"-Xdebug\", \"-Xrunjdwp:server=y,transport=dt_socket,address=8000\"))\r\n> library(rJava)\r\n> .jinit()\r\n```\r\n\r\nI'm getting the following:\r\n\r\n```\r\nJDWP exit error AGENT_ERROR_ILLEGAL_ARGUMENT(202): saveGlobalRef obj [util.c:60]\r\nFATAL ERROR in native method: JDWP saveGlobalRef obj, jvmtiError=AGENT_ERROR_ILLEGAL_ARGUMENT(202)\r\nAbort trap: 6\r\n```\r\n\r\nIs using debugging tools not allowed from rJava? Any other strategy?\r\n\r\nI'm on Java 1.8.0_101-b13 and rJava 0.9-9 installed from source and Mac OS 10.11.4.\r\n\r\nAdam"}}
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