https://bz.apache.org/bugzilla/show_bug.cgi?id=63445
Bug ID: 63445
Summary: “Too many open files” after migrating from Tomcat 7 to
Tomcat 9
Product: Tomcat 9
Version: 9.0.20
Hardware: PC
OS: Linux
Status: NEW
Severity: critical
Priority: P2
Component: Catalina
Assignee: dev@tomcat.apache.org
Reporter: gerald.spit...@fab4minds.com
Target Milestone: -----
After migrating from Tomact 7 to Tomcat 9.0.20 (running with same Java Version
1.8.0_25) we have a problem with our JSF2 web application on Linux RHEL 7.
After some time we get Exceptions like this:
java.io.FileNotFoundException:
/f4m/tomcat/tomcat_f4mbs/webapps/ACM/WEB-INF/acm-config.xml (Too many open
files)
at java.io.FileInputStream.open0(Native Method)
at java.io.FileInputStream.open(FileInputStream.java:195)
at java.io.FileInputStream.<init>(FileInputStream.java:138)
at java.io.FileInputStream.<init>(FileInputStream.java:93)
After searching around a while, I have found out that there are many open file
descriptors to xhtml files, by executing this command (where 4025 is the Tomcat
process ID):
ls -l /proc/4025/fd
lr-x------. 1 f4mHttp f4mHttp 64 May 16 08:58 238 ->
/usr/java/jdk1.8.0_25/jre/lib/resources.jar
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:01 239 -> pipe:[3661823]
lr-x------. 1 f4mHttp f4mHttp 64 May 16 08:58 24 ->
/f4m/tomcat/tomcat_f4mbscrm/lib/websocket-api.jar
l-wx------. 1 f4mHttp f4mHttp 64 May 16 09:01 240 -> pipe:[3661823]
lrwx------. 1 f4mHttp f4mHttp 64 May 16 09:01 241 -> anon_inode:[eventpoll]
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:01 243 -> pipe:[3661824]
l-wx------. 1 f4mHttp f4mHttp 64 May 16 09:01 244 -> pipe:[3661824]
lrwx------. 1 f4mHttp f4mHttp 64 May 16 09:01 245 -> anon_inode:[eventpoll]
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:01 246 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/msgBox.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:01 247 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/msgBox.xhtml
lrwx------. 1 f4mHttp f4mHttp 64 May 16 09:01 248 -> socket:[3667364]
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 249 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/form/searchpage.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 08:58 25 ->
/f4m/tomcat/tomcat_f4mbscrm/lib/jasper.jar
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:01 250 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/form/searchpage.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:01 251 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/form/portal/nav/portalheader.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 252 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/form/portal/customizing/nav/menu.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:01 253 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:01 254 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/form/nav/bottomPanel.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:01 255 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/form/nav/bottomPanel.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:01 256 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/msgBox.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:01 257 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 258 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 259 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 08:58 26 ->
/f4m/tomcat/tomcat_f4mbscrm/lib/ecj-4.9.jar
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 260 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 261 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 262 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/form/common/barcodefunction_incl.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 263 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/form/portal/nav/portalfooterAll.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 264 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/form/partner/crmpartner.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 266 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/form/partner/crmpartner.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 267 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/form/portal/nav/portalheader.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 268 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/form/portal/customizing/nav/menu.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 08:58 27 ->
/f4m/tomcat/tomcat_f4mbscrm/lib/catalina-ha.jar
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 274 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/form/partner/crmpartner_topnav.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 275 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/msgBox.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 276 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/msgBox.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 277 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 278 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 279 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 08:58 28 ->
/f4m/tomcat/tomcat_f4mbscrm/lib/jsp-api.jar
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 280 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 281 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 282 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 283 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 286 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 287 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 288 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 289 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 08:58 29 ->
/f4m/tomcat/tomcat_f4mbscrm/lib/annotations-api.jar
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 290 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 291 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 292 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 293 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/form/partner/crmpartnerparent_incl.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 294 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 295 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 296 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 297 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 298 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/form/partner/crmpartnerHierarchySimilarAddresses.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 299 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/form/partner/crmpartnerchild_incl.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 08:58 3 ->
/usr/java/jdk1.8.0_25/jre/lib/rt.jar
lr-x------. 1 f4mHttp f4mHttp 64 May 16 08:58 30 ->
/f4m/tomcat/tomcat_f4mbscrm/lib/tomcat-i18n-fr.jar
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 300 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 301 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 302 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 303 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 304 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/form/partner/crmpartnerHierarchySimilarAddresses.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 305 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 306 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 307 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 308 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 309 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 08:58 31 ->
/f4m/tomcat/tomcat_f4mbscrm/lib/tomcat-coyote.jar
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 310 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 311 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 312 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 313 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 314 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 315 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 316 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 317 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 318 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 319 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 08:58 32 ->
/f4m/tomcat/tomcat_f4mbscrm/lib/catalina-ant.jar
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 320 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 321 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 322 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 323 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 324 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 325 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 326 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 327 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 328 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
lr-x------. 1 f4mHttp f4mHttp 64 May 16 09:02 329 ->
/f4m/tomcat/tomcat_f4mbscrm/webapps/ACM/resources/components/calendar.xhtml
This is not the complete list - there are many more.
The number of listed files goes up and down. For me it seems that and xhtml (or
one of its used components) has an open file descriptor as long as a page is
shown in Browser.
If I deploy the same application on Tomcat 7 again, I can only see open file
descriptors for JAR Files, Sockets, but not NEVER for xhtml's.
--
You are receiving this mail because:
You are the assignee for the bug.
---------------------------------------------------------------------
To unsubscribe, e-mail: dev-unsubscr...@tomcat.apache.org
For additional commands, e-mail: dev-h...@tomcat.apache.org
