From: Alex <[email protected]>
This string most likely contains useful information when debugging
errors. This can include things like the actual compile error and line
it occurred on instead of an unhelpful back-trace caused by the
org.apache.jasper.JasperException.
As this has the potential to leak sensitive information this is
disabled by default and can be enabled by setting:
opennms.webapp.exception_info=true
in the opennms.properties file
---
.../src/main/filtered/etc/opennms.properties | 6 ++++++
.../src/main/webapp/errors/unknownexception.jsp | 14 ++++++++++++++
2 files changed, 20 insertions(+), 0 deletions(-)
diff --git a/opennms-base-assembly/src/main/filtered/etc/opennms.properties
b/opennms-base-assembly/src/main/filtered/etc/opennms.properties
index 6c99752..8683830 100644
--- a/opennms-base-assembly/src/main/filtered/etc/opennms.properties
+++ b/opennms-base-assembly/src/main/filtered/etc/opennms.properties
@@ -138,6 +138,12 @@ opennms.bin.dir=${install.bin.dir}
opennms.webapplogs.dir=${install.webapplogs.dir}
java.awt.headless=true
+# show extra debug info in web-ui exceptions
+# by default this is disabled as it has the potential to leak sensitive
information
+# however for submitting debug information it can give a bit more for the
developers
+# to go on
+# opennms.webapp.exception_info=false
+
# findByServiceType query
# org.opennms.dao.ipinterface.findByServiceType=select distinct ipIf from
OnmsIpInterface as ipIf join ipIf.monitoredServices as monSvc where
monSvc.serviceType.name = ?
diff --git a/opennms-webapp/src/main/webapp/errors/unknownexception.jsp
b/opennms-webapp/src/main/webapp/errors/unknownexception.jsp
index 9ddf9f6..19f0f79 100644
--- a/opennms-webapp/src/main/webapp/errors/unknownexception.jsp
+++ b/opennms-webapp/src/main/webapp/errors/unknownexception.jsp
@@ -94,6 +94,7 @@ function toggleDiv(divName) {
<%
StringBuilder stBuilder = new StringBuilder();
+StringBuilder exBuilder = new StringBuilder();
if (exception != null) {
if (exception instanceof ServletException &&
((ServletException)exception).getRootCause() != null) {
@@ -105,6 +106,18 @@ if (exception != null) {
for (StackTraceElement ste : exception.getStackTrace()) {
stBuilder.append("\tat ").append(ste.toString()).append("\n");
}
+
+ String exception_info = System.getProperty("opennms.webapp.exception_info",
"false");
+ boolean exception_info_bool = Boolean.parseBoolean(exception_info);
+ if (exception_info_bool) {
+ exBuilder.append("Exception info:");
+ exBuilder.append("<pre>");
+ exBuilder.append(exception.toString());
+ exBuilder.append("</pre>");
+ } else {
+ exBuilder.append("Enable opennms.webapp.exception_info for more verbose
error reporting");
+ }
+
} else {
stBuilder.append("No exception to see here, please move along.");
}
@@ -153,6 +166,7 @@ userSession.setAttribute("errorReportDetails",
errorDetails);
<p>
Please include the information below when reporting problems.
</p>
+<%=exBuilder.toString()%>
<h3>Exception Trace</h3>
<pre id="exceptionTrace">
--
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