큐브리드 메니져가 실행이 되지 않습니다.

* 질문 등록 시 다음의 내용을 꼭 기입하여 주세요.

OS	Linux 64bit
CUBRID Ver.	[cubrid_rel] 수행 결과
CUBRID TOOL Ver.	[도움말]-[버전정보] 확인
응용 환경(API)	java, php, odbc 등 입력

* CUBRID 응용 오류, SQL 오류 또는 SQL 튜닝 관련된 문의는 반드시 다음의 내용을 추가해 주세요. 비밀글이나 비밀 댓글도 가능합니다.
* 저희가 상황을 이해하고, 재현이 가능해야 알 수 있는 문제들이 많습니다. 가능한 정보/정황들을 부탁합니다.

에러 내용 및 재현 방법	재현 가능한 Source와 SQL
관련 테이블(인덱스, 키정보 포함) 정보	CUBRID 홈 디렉토리 아래 log 디렉토리 압축

-------------- 아래에 질문 사항을 기입해 주세요. ------------------------------------------------------------------------

실행이 잘되었었는데 갑자기 안됩니다.

workspace 위치를 묻고 로딩이 되고 창이 뜨다가 갑자기 죽습니다.

로그에는

ERROR 2016-06-08 14:36:01 com.cubrid.common.ui.common.notice.NoticeDashboardEntity.refresh(Unknown Source) 

java.net.UnknownHostException: ftp.cubrid.org

at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184)

at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)

at java.net.Socket.connect(Socket.java:589)

at sun.net.NetworkClient.doConnect(NetworkClient.java:175)

at sun.net.www.http.HttpClient.openServer(HttpClient.java:432)

at sun.net.www.http.HttpClient.openServer(HttpClient.java:527)

at sun.net.www.http.HttpClient.<init>(HttpClient.java:211)

at sun.net.www.http.HttpClient.New(HttpClient.java:308)

at sun.net.www.http.HttpClient.New(HttpClient.java:326)

at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1169)

at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1105)

at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:999)

at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:933)

at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1513)

at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1441)

at com.sun.syndication.io.XmlReader.<init>(XmlReader.java:237)

at com.cubrid.common.ui.common.notice.NoticeDashboardEntity.readFeedFromRemote(Unknown Source)

at com.cubrid.common.ui.common.notice.NoticeDashboardEntity.refresh(Unknown Source)

at com.cubrid.common.ui.common.notice.control.NoticeDashboardPage.initData(Unknown Source)

at com.cubrid.common.ui.common.notice.control.NoticeDashboardPage.access$0(Unknown Source)

at com.cubrid.common.ui.common.notice.control.NoticeDashboardPage$1.run(Unknown Source)

at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)

at java.util.concurrent.FutureTask.run(FutureTask.java:266)

at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)

at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)

at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)

at java.lang.Thread.run(Thread.java:745)

ERROR 2016-06-08 14:36:01 com.cubrid.common.ui.spi.util.UrlConnUtil.isUrlExist(Unknown Source) www.cubrid.com

java.net.UnknownHostException: www.cubrid.com

at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184)

at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)

at java.net.Socket.connect(Socket.java:589)

at sun.net.NetworkClient.doConnect(NetworkClient.java:175)

at sun.net.www.http.HttpClient.openServer(HttpClient.java:432)

at sun.net.www.http.HttpClient.openServer(HttpClient.java:527)

at sun.net.www.http.HttpClient.<init>(HttpClient.java:211)

at sun.net.www.http.HttpClient.New(HttpClient.java:308)

at sun.net.www.http.HttpClient.New(HttpClient.java:326)

at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:1169)

at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1105)

at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:999)

at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:933)

at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1513)

at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1441)

at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:480)

at com.cubrid.common.ui.spi.util.UrlConnUtil.isUrlExist(Unknown Source)

at com.cubrid.common.ui.spi.util.UrlConnUtil.isExistNewCubridVersion(Unknown Source)

at com.cubrid.cubridmanager.app.ApplicationWorkbenchWindowAdvisor$5.run(Unknown Source)

at java.lang.Thread.run(Thread.java:745)

라고 뜨고 있습니다.

ftp.cubrid.org

www.cubrid.com

으로 ping을 날리면 잘 됩니다.

확인 좀 부탁 드립니다.