Hard to say without access to the server... NoClassDefFoundError... Is there a full stack trace somewhere?
On Feb 7, 2012, at 3:17 AM, Joe Baldwin wrote: > Andrus, > > I just found an associated error (via doing a simple println statement) > > Caused by: java.lang.NoClassDefFoundError: org/apache/cayenne/conn/PoolManager > > This is of course clearly not the case, since I have been using the same DBCP > cayenne-config for over a year now. Is it possible, that the webhost has > imposed a DB connection limit, and the techsupport guys don't know about it? > If this is the case, then this app may not be able to get a connection from > the pool. > > This is a weird theory, since I am getting enough connections to to select > queries. > > I am back to being confused. I sure hope you have some ideas. :) > > Joe > > > > > On Feb 6, 2012, at 2:13 AM, Andrus Adamchik wrote: > >> Is this error still an issue: >> >>>>> Caused by: org.apache.cayenne.ConfigurationException: [v.3.0.1 Aug 25 >>>>> 2010 19:42:04] Can't open config file URL: >>>>> jndi:/om28.com/store/WEB-INF/config/cayenne-files/cayenne.xml >> >> ? >> >> If so, please follow my advise about the location of Cayenne files and then >> your Tomcat settings should not matter anymore. >> >> Andrus >> >> On Feb 6, 2012, at 2:48 AM, Joe Baldwin wrote: >> >>> Andrus, >>> >>> Is there a webhost server setting that might account for this? (I googled >>> this problem and the first results appears to point to webhost settings. >>> I, presumably, set account privileges for the user, but this was through a >>> 3rd party manager interface - which is always a bit unsettling because you >>> can't verify it.) >>> >>> Here is the current error (which is really odd because it is working just >>> fine on my dev server) >>> >>> com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: >>> Cannot add or update a child row: a foreign key constraint fails >>> (`eagle1_om28`.`product`, CONSTRAINT `product_ibfk_2` FOREIGN KEY >>> (`packageTypeOid`) REFERENCES `packagetype` (`oid`)) >>> >>> Thanks >>> Joe >>> >>> >>> >>> On Feb 5, 2012, at 2:29 AM, Andrus Adamchik wrote: >>> >>>> While I don't know what the cause of the error is, my recommendation would >>>> be to put all Cayenne files in CLASSPATH (e.g. WEB-INF/classes or in a jar >>>> under WEB-INF/lib). This is much more portable across any Java >>>> environments. >>>> >>>> Andrus >>>> >>>> On Feb 4, 2012, at 7:40 PM, Joe Baldwin wrote: >>>> >>>>> Here is more research on my "odd error". >>>>> >>>>> Production Server Env >>>>> Tomcat, linux, MySQL 5.1, Java 1.6 >>>>> I only have control of tomcat config files & start/stop operations >>>>> **** I am using a *temp* configuration for installation and only have >>>>> an IP which I aliased to "om28.com" in my hosts file (a standard trick) >>>>> >>>>> Symptoms & Research: >>>>> It appears that tomcat has logged a Cayenne configuration exception >>>>> >>>>> Caused by: org.apache.cayenne.ConfigurationException: [v.3.0.1 Aug 25 >>>>> 2010 19:42:04] Can't open config file URL: >>>>> jndi:/om28.com/store/WEB-INF/config/cayenne-files/cayenne.xml >>>>> >>>>> Which seems to be accurate because that is not were I put the cayenne.xml >>>>> file. Here is my web.xml entry for the app >>>>> >>>>> <!-- Cayenne ORM --> >>>>> <context-param> >>>>> <param-name>cayenne.configuration.path</param-name> >>>>> <param-value>/WEB-INF/config/cayenne-files</param-value> >>>>> </context-param> >>>>> <filter> >>>>> <filter-name>CayenneFilter</filter-name> >>>>> >>>>> <filter-class>org.apache.cayenne.conf.WebApplicationContextFilter</filter-class> >>>>> </filter> >>>>> <filter-mapping> >>>>> <filter-name>CayenneFilter</filter-name> >>>>> <url-pattern>/*</url-pattern> >>>>> </filter-mapping> >>>>> >>>>> Questions: >>>>> 1. I have no understanding of why Cayenne would be looking for the xml >>>>> file in a path that included "store". Could this be a result of it >>>>> getting confused by the alias "om28.com"? >>>>> 2. I have a demo working on the same webhost, but as a subdomain. It is >>>>> using, I believe, the identical web.xml excerpt. This same web.xml file >>>>> is working on my development server. Is there a way to configure cayenne >>>>> or the temp installation to make this work correctly >>>>> 3. Or, am I completely on the wrong track? :) >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> On Feb 3, 2012, at 2:35 PM, Joe Baldwin wrote: >>>>> >>>>>> I am manually mirroring a test app (successfully tested on my dev >>>>>> tomcat), onto a remote server. I am getting an odd error and am having >>>>>> trouble tracking it down. (an excerpt is listed below) >>>>>> While it is possible that I have made a mistake in my coding, it is not >>>>>> likely since the associated code has been working for a while. I have >>>>>> also been fighting some tomcat caching problems, which I have resolved >>>>>> by deleting the tomcat cache for this app each time I reload it. >>>>>> I have tried standard debugging on my dev server, but the error is not >>>>>> showing up. Also, it this error shows up mostly when I am adding the >>>>>> parent to which it is referring, however, it also has just shown up at >>>>>> random when I make a simple query via cayenne. >>>>>> Is it possible that I have missed some configuration parameter in >>>>>> loading my cayenne map? It is acting so odd that I am fairly convinced >>>>>> that this error message may not be pointing to the actual error. >>>>>> Totally confused. :) >>>>>> Thanks, >>>>>> Joe >>>>>> >>>>>> >>>>>> com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: >>>>>> Cannot add or update a child row: a foreign key constraint fails >>>>>> >>>>>> >>>>> >>>> >>> >> > >
