HubSpot/jinjava

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Jinja template engine for Java

Stars: 785
Forks: 184
Open beginner issues: 1
Indexed issues: 106
Avg merge: 6d 22h
Merged PRs (30d): 1

Dominant language: Java
License: Apache-2.0
Last GitHub push: Sep 14, 2026
Latest indexed: Sep 17, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted

Beginner friendly Everything

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106 open issues indexed

Upgrade jsoup Dependency to Address CVE-2026-71497 Open

Difficulty 2/5 1-3 hours Newbie friendliness 64/100

HubSpot/jinjava#1335 · 1 comment · Opened Aug 18, 2026
Jinjava 3.0 Open

HubSpot/jinjava#1288 · 1 assignee · Opened Mar 3, 2026
Upgrade to Jackson 3.0.0 Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

HubSpot/jinjava#1264 · Opened Oct 21, 2025
Inconsistent expression evaluation for nested expressions Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

HubSpot/jinjava#1260 · 1 comment · 2 reactions · Opened Sep 19, 2025
Cannot evaluate null-returning expression in DoTag when failOnUnknownTokens is enabled Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

HubSpot/jinjava#1259 · 1 reaction · Opened Sep 19, 2025
Is java21 available? Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

HubSpot/jinjava#1257 · 2 comments · Opened Sep 17, 2025
Render as 'null' when variable is undefined Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

HubSpot/jinjava#1253 · Opened Jul 19, 2025
Please upgrade to a modern jackson Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

HubSpot/jinjava#1247 · Opened Jun 3, 2025
local_dt no longer working in latest release Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

HubSpot/jinjava#1246 · 2 comments · Opened Jun 2, 2025
Collection Membership operator can return unintuitive results if collection has mix of types Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

HubSpot/jinjava#1240 · Opened Apr 25, 2025
How to get information about exceptions thrown during a call to ELFunction? Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

HubSpot/jinjava#1236 · Opened Feb 12, 2025
inconsistent behaviour with withFailOnUnknownTokens Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

HubSpot/jinjava#1235 · 4 comments · Opened Feb 10, 2025
How to use @ELFunction? Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

HubSpot/jinjava#1234 · Opened Feb 8, 2025
lstripBlocks config strips whitespace not just from start of line Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

HubSpot/jinjava#1230 · Opened Jan 24, 2025
`selectattr` and `rejectattr` require the third argument to be a collection Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

HubSpot/jinjava#1227 · Opened Dec 12, 2024
Syntax error when using `is defined` with a `filter` Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

HubSpot/jinjava#1226 · Opened Dec 9, 2024
{{'false' ? 'yes' : 'no'}} is interpreted as {{false ? 'yes' : 'no'}} Open

Difficulty 3/5 1-2 days Newbie friendliness 30/100

HubSpot/jinjava#1221 · Opened Dec 4, 2024
Disable render for `{{ }}` expression Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

HubSpot/jinjava#1216 · Opened Oct 25, 2024
[Bug] Cannot resolve string concatenation like '[xxx]' Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

HubSpot/jinjava#1215 · Opened Oct 24, 2024
use jinjava on android: UNICODE_CHARACTER_CLASS flag not supported Open

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

HubSpot/jinjava#1210 · Opened Oct 5, 2024
Remove #jinja2 instructions from the output Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

HubSpot/jinjava#1192 · 1 comment · Opened Jul 11, 2024
Fix eager execution handling of `{% print foo|render %}` Open

Eager Execution

HubSpot/jinjava#1184 · 1 assignee · Opened May 13, 2024
upgrade commons-net to 3.10.0 Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

HubSpot/jinjava#1183 · Opened May 13, 2024
Add support for java records Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

HubSpot/jinjava#1163 · 5 comments · Opened Feb 27, 2024
trouble with coercision in test Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

HubSpot/jinjava#1160 · Opened Feb 17, 2024
Fix CVEs in version 2.7.1 Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

HubSpot/jinjava#1139 · 1 comment · 3 reactions · Opened Dec 20, 2023
Mixing include and extends does not work Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

HubSpot/jinjava#1134 · 1 reaction · Opened Dec 8, 2023
Support for "with" statement Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

HubSpot/jinjava#1121 · 3 reactions · Opened Oct 17, 2023
Maps in string representation in Сontext Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

HubSpot/jinjava#1119 · Opened Oct 8, 2023
Add {% hubl %} tag Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

HubSpot/jinjava#1116 · Opened Sep 29, 2023
SnakeYAML 1.27 vulnerability in Jinjava 2.7.1 Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

HubSpot/jinjava#1115 · 1 comment · Opened Sep 14, 2023
Unexpected behavior comparing empty strings to 0 Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

HubSpot/jinjava#1102 · Opened Aug 4, 2023
time for 2.7.1 / 2.8.0 ? Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

HubSpot/jinjava#1092 · Opened Jul 21, 2023
CVEs in current version: 2.7.0 Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

HubSpot/jinjava#1091 · 1 reaction · Opened Jul 6, 2023
render template that it is contains one '\r\n' string will return more than one Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

HubSpot/jinjava#1087 · Opened Jun 27, 2023
Engine performance Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

HubSpot/jinjava#1073 · 2 comments · Opened May 21, 2023
for else control structure doesn't seem to be supported Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

HubSpot/jinjava#1061 · 1 comment · Opened Apr 28, 2023
Update dependencies with vulnerabilities Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

HubSpot/jinjava#1047 · Opened Apr 13, 2023
Template Render to keep unresolved variables as-is in the output Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

HubSpot/jinjava#1046 · 4 comments · Opened Apr 12, 2023
E/AndroidRuntime: FATAL EXCEPTION: main Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

HubSpot/jinjava#1043 · Opened Apr 6, 2023
How to retrieve the variables in a template Open

Difficulty 2/5 1-3 hours Newbie friendliness 30/100

HubSpot/jinjava#1039 · 2 comments · 3 reactions · Opened Mar 29, 2023
Macros should not generate a breakline Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

HubSpot/jinjava#1003 · Opened Feb 7, 2023
Is there a way to not render a variable that is not defined? Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

HubSpot/jinjava#1001 · 1 reaction · Opened Feb 2, 2023
Serialize maps/lists when reconstructing lazily in case element(s) are updated Open

Eager Execution

Difficulty 5/5 Over a week Newbie friendliness 25/100

HubSpot/jinjava#987 · 1 comment · Opened Jan 12, 2023
Add license section to pom.xml Open

Difficulty 1/5 Under an hour Newbie friendliness 45/100

HubSpot/jinjava#912 · Opened Sep 14, 2022
Expressions don't respect whitespace control Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

HubSpot/jinjava#897 · Opened Jul 20, 2022
Jinjava clear file Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

HubSpot/jinjava#866 · 16 comments · Opened May 26, 2022
Usage in GraalVM native images not supported Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

HubSpot/jinjava#834 · 6 comments · Opened Feb 28, 2022
IncludeTag does not respect "ignore missing" Open

Difficulty 3/5 1-2 days Newbie friendliness 15/100

HubSpot/jinjava#833 · 1 comment · Opened Feb 26, 2022
Include does not evaluate path Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

HubSpot/jinjava#816 · Opened Jan 26, 2022

HubSpot/jinjava

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