Thanks for taking time to look into this.
I know the template and I have updated it to make it even simpler. The current
template is currently set to the text "Hi", without quotes.
p-nio-8080-exec-3] o.a.v.parser - FDMS Self-Reg Invite Subject: offset -1,
count 5, length 4096
java.lang.StringIndexOutOfBoundsException: offset -1, count 5, length 4096
The initialization code is the following:
final var props = new Properties();
props.put("resource.loaders", "ds");
props.put("resource.loader.ds.class",
"org.apache.velocity.runtime.resource.loader.DataSourceResourceLoader");
props.put("resource.loader.ds.resource.table",
velocityProperties.getTableName());
props.put("resource.loader.ds.resource.key_column",
velocityProperties.getKeyColumnName());
props.put("resource.loader.ds.resource.template_column",
velocityProperties.getTemplateColumnName());
props.put("resource.loader.ds.resource.timestamp_column",
velocityProperties.getTimestampColumnName());
final var dsLoader = new DataSourceResourceLoader();
dsLoader.setDataSource(dataSource);
props.put("resource.loader.ds.instance", dsLoader);
props.put("resource.loader.ds.cache", "true");
props.put("runtime.log.logsystem.class",
"org.apache.velocity.runtime.log.NullLogSystem");
props.put(RuntimeConstants.RESOURCE_MANAGER_INSTANCE,
velocityResourceManager);
final var mailVelocityEngine = new VelocityEngine(props);
mailVelocityEngine.init();
(velocityProperties is an object to hold string values. dataSource is a
javax.sql.DataSource, velocityResourceManager is a subclass of
org.apache.velocity.runtime.resource.ResourceManagerImpl)
If there's anything else you think I should try or can provide you, please let
me know. Thanks!
-----Original Message-----
From: Claude Brisson <[email protected]>
Sent: Thursday, June 12, 2025 02:27 AM
To: Kish, Robert [AG] <[email protected]>; Velocity Users List
<[email protected]>
Subject: [EXTERNAL] Re: Unexpected exception calling
VelocityEngine.mergeTemplate when using 2.4 or 2.4.1
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Since it happens during the parsing, it means that it only depends on the
template itself, not to the values provided to it.
So if you are able to log the template location, you will know the problematic
template at least.
I'm going to try to pinpoint the problem with the stack trace you provided and
let you know if I am able to identify the cause.
On 10/06/2025 23:50, Kish, Robert [AG] wrote:
> Hello!
>
> We have 2 similar environments and under Velocity Engine 2.3, the code works
> as expected and we get back the template from the API call.
> But when upgrading to 2.4.1 (or trying 2.4) one of our environments fails
> with an exception. Unfortunately, it's in an environment where I can't use a
> debugger.
>
> I'm looking for ideas on how to resolve this issue or identify a specific bug
> that can be reported to the Velocity Team for resolution.
>
> Log + Exception
> o.a.v.macro - autoload off: VM system will not automatically reload
> global library macros o.a.v.parser - XXXXXXXXXXXXXXXXXXXXXXXXXXXX:
> offset -1, count 79, length 4096
> java.lang.StringIndexOutOfBoundsException: offset -1, count 79, length 4096
> at java.base/java.lang.String.checkBoundsOffCount(String.java:3304)
> ~[?:?]
> at java.base/java.lang.String.rangeCheck(String.java:280) ~[?:?]
> at java.base/java.lang.String.<init>(String.java:276) ~[?:?]
> at
> org.apache.velocity.runtime.parser.VelocityCharStream.GetImage(VelocityCharStream.java:434)
> ~[velocity-engine-core-2.4.jar:2.4]
> at
> org.apache.velocity.runtime.parser.StandardParserTokenManager.jjFillToken(StandardParserTokenManager.java:7796)
> ~[velocity-engine-core-2.4.jar:2.4]
> at
> org.apache.velocity.runtime.parser.StandardParserTokenManager.getNextToken(StandardParserTokenManager.java:7866)
> ~[velocity-engine-core-2.4.jar:2.4]
> at
> org.apache.velocity.runtime.parser.StandardParser.jj_scan_token(StandardParser.java:5611)
> ~[velocity-engine-core-2.4.jar:2.4]
> at
> org.apache.velocity.runtime.parser.StandardParser.jj_3R_EndingZeroWidthWhitespace_1591_5_49(StandardParser.java:5448)
> ~[velocity-engine-core-2.4.jar:2.4]
> at
> org.apache.velocity.runtime.parser.StandardParser.jj_3_3(StandardParser.java:5454)
> ~[velocity-engine-core-2.4.jar:2.4]
> at
> org.apache.velocity.runtime.parser.StandardParser.jj_2_3(StandardParser.java:3886)
> ~[velocity-engine-core-2.4.jar:2.4]
> at
> org.apache.velocity.runtime.parser.StandardParser.Statement(StandardParser.java:654)
> ~[velocity-engine-core-2.4.jar:2.4]
> at
> org.apache.velocity.runtime.parser.StandardParser.process(StandardParser.java:495)
> ~[velocity-engine-core-2.4.jar:2.4]
> at
> org.apache.velocity.runtime.parser.StandardParser.parse(StandardParser.java:184)
> [velocity-engine-core-2.4.jar:2.4]
> at
> org.apache.velocity.runtime.RuntimeInstance.parse(RuntimeInstance.java:1344)
> [velocity-engine-core-2.4.jar:2.4]
> at org.apache.velocity.Template.process(Template.java:145)
> [velocity-engine-core-2.4.jar:2.4]
> at
> org.apache.velocity.runtime.resource.ResourceManagerImpl.loadResource(ResourceManagerImpl.java:429)
> [velocity-engine-core-2.4.jar:2.4]
> at
> org.apache.velocity.runtime.resource.ResourceManagerImpl.getResource(ResourceManagerImpl.java:346)
> [velocity-engine-core-2.4.jar:2.4]
> at
> org.apache.velocity.runtime.RuntimeInstance.getTemplate(RuntimeInstance.java:1694)
> [velocity-engine-core-2.4.jar:2.4]
> at
> org.apache.velocity.app.VelocityEngine.mergeTemplate(VelocityEngine.ja
> va:284) [velocity-engine-core-2.4.jar:2.4]
>
> Environment that throws the exception:
> Linux / Tomcat
>
> Server version name: Apache Tomcat/9.0.104
> Server built: Apr 4 2025 12:32:55 UTC
> Server version number: 9.0.104.0
> OS Name: Linux
> OS Version: 4.14.355-277.647.amzn2.x86_64
> Architecture: amd64
> Java Home: /usr/lib/jvm/java-11-amazon-corretto.x86_64
> JVM Version: 11.0.27+6-LTS
> JVM Vendor: Amazon.com Inc.
>
>
> Environment that does not throw the exception:
> Windows / TomEE
>
> INFO: Server version name: Apache Tomcat (TomEE)/9.0.82 (8.0.16)
> INFO: Server built: Oct 11 2023 13:15:08 UTC
> INFO: Server version number: 9.0.82.0
> INFO: OS Name: Windows 11
> INFO: OS Version: 10.0
> INFO: Architecture: amd64
> INFO: Java Home: C:\Program Files\Amazon Corretto\jdk11.0.26_4
> INFO: JVM Version: 11.0.26+4-LTS
> INFO: JVM Vendor: Amazon.com Inc.
>
> Robert Kish (Consultant) | Application Developer, IT Application
> Services | NJ Dept. of Agriculture
>
> CONFIDENTIALITY NOTICE: The information contained in this communication from
> New Jersey Department of Agriculture is privileged and confidential and is
> intended for the sole use of the persons or entities who are the addressees.
> If you are not an intended recipient of this email, the dissemination,
> distribution, copying or use of the information it contains is strictly
> prohibited. If you have received this communication in error, please
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