Changes between Version 130 and Version 131 of FAQ

Timestamp:

Nov 28, 2017, 10:43:26 AM (6 years ago)

Author:

Bang Pham Huu

Comment:

Add solution for connection to rasdaman for petascope in Centos7

FAQ

@@ -382 +382 @@
 === Why do I have to accept the [wiki:ContributorAgreement Rasdaman Contribution Agreement] when providing a patch? ===
 Because [wiki:License for legal reasons] the project must have a trackable code provenance.
+
+
+=== Petascope cannot connect to rasdaman in Centos 7 ===
+The problem is tomcat user running petascope web application from (e.g: /var/lib/tomcat/webapps) couldn't have permission to connect these ports: 7001-7010 (specified in rasmgr.conf) for rasmgr, rasservers in petascope.log 
+
+{{{
+ERROR [08:58:34] ApplicationMain@105: Error when initializing petascope's configurations
+petascope.exceptions.PetascopeException: RasManager Error: Could not connect to RasServer .
+        at org.rasdaman.ApplicationMain.placeholderConfigurer(ApplicationMain.java:104)
+}}}
+
+
+There are 2 solutions for it:
+ * Disable SELinux completely with setenforce 0 [https://www.tecmint.com/disable-selinux-temporarily-permanently-in-centos-rhel-fedora/].
+ * Allow these ports 7001-7010 could be accessed for http with these commands [http://cockpit-project.org/guide/133/listen.html]
+ {{{
+   # to install semanage tool
+   sudo yum install setroubleshoot-server
+
+   # allow ports to be accessed
+   sudo semanage port -m -t http_port_t -p tcp 7001
+   sudo semanage port -m -t http_port_t -p tcp 7002
+   sudo semanage port -m -t http_port_t -p tcp 7003
+   sudo semanage port -a -t http_port_t -p tcp 7003
+   sudo semanage port -a -t http_port_t -p tcp 7004
+   sudo semanage port -a -t http_port_t -p tcp 7005
+   sudo semanage port -a -t http_port_t -p tcp 7006
+   sudo semanage port -a -t http_port_t -p tcp 7007
+   sudo semanage port -a -t http_port_t -p tcp 7008
+   sudo semanage port -a -t http_port_t -p tcp 7009
+   sudo semanage port -a -t http_port_t -p tcp 7010
+ }}}