Skip to content

Avoid NPE on tomcat classloading instrumentation #10256

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom
Merged
amarziali merged 1 commit into from
Dec 19, 2025
Merged

Avoid NPE on tomcat classloading instrumentation #10256

amarziali merged 1 commit into from
Dec 19, 2025

Conversation

@amarziali
Copy link
Contributor

@amarziali amarziali commented Dec 19, 2025

What Does This Do

It does not cause functional issue - however it produces annoying telemetry signals.
Should solve:

Error : Failed to handle exception in instrumentation for org.apache.catalina.loader.WebappClassLoaderBase
java.lang.NullPointerException
  at (redacted: 9 frames)
  at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
  at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  at java.base/java.lang.reflect.Method.invoke(Method.java:569)
  at (redacted: 10 frames)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:529)
  at (redacted)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:623)
  at (redacted: 60 frames)
  at datadog.trace.instrumentation.springweb.HandlerMappingResourceNameFilter.doFilterInternal(HandlerMappingResourceNameFilter.java:51)
  at (redacted: 32 frames)
  at java.base/java.lang.Thread.run(Thread.java:840)

Note: the code is inlined reason why there is no direct relationship

Motivation

Additional Notes

Contributor Checklist

Jira ticket: [PROJ-IDENT]

@amarziali amarziali requested a review from a team as a code owner December 19, 2025 12:00
@amarziali amarziali added type: bug Bug report and fix inst: others All other instrumentations tag: telemetry error reported Reported by error telemetry labels Dec 19, 2025
@pr-commenter
Copy link

pr-commenter bot commented Dec 19, 2025

Benchmarks

Startup

Parameters

Baseline Candidate
baseline_or_candidate baseline candidate
git_branch master andrea.marziali/tomcat-classloading
git_commit_date 1766140713 1766145466
git_commit_sha fbdb1cf b84b27e
release_version 1.58.0-SNAPSHOT~fbdb1cffac 1.58.0-SNAPSHOT~b84b27e5da
See matching parameters
Baseline Candidate
application insecure-bank insecure-bank
ci_job_date 1766147300 1766147300
ci_job_id 1309247478 1309247478
ci_pipeline_id 87760585 87760585
cpu_model Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz
kernel_version Linux runner-zfyrx7zua-project-304-concurrent-1-n0vrxvqe 6.8.0-1031-aws #33~22.04.1-Ubuntu SMP Thu Jun 26 14:22:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux Linux runner-zfyrx7zua-project-304-concurrent-1-n0vrxvqe 6.8.0-1031-aws #33~22.04.1-Ubuntu SMP Thu Jun 26 14:22:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux
module Agent Agent
parent None None

Summary

Found 0 performance improvements and 0 performance regressions! Performance is the same for 55 metrics, 10 unstable metrics.

Startup time reports for petclinic 
gantt
    title petclinic - global startup overhead: candidate=1.58.0-SNAPSHOT~b84b27e5da, baseline=1.58.0-SNAPSHOT~fbdb1cffac

    dateFormat X
    axisFormat %s
section tracing
Agent [baseline] (1.081 s) : 0, 1080742
Total [baseline] (10.909 s) : 0, 10908602
Agent [candidate] (1.094 s) : 0, 1093878
Total [candidate] (10.832 s) : 0, 10832191
section appsec
Agent [baseline] (1.27 s) : 0, 1269772
Total [baseline] (10.997 s) : 0, 10997188
Agent [candidate] (1.274 s) : 0, 1273904
Total [candidate] (11.044 s) : 0, 11044001
section iast
Agent [baseline] (1.234 s) : 0, 1233691
Total [baseline] (11.206 s) : 0, 11206319
Agent [candidate] (1.226 s) : 0, 1226148
Total [candidate] (11.104 s) : 0, 11103888
section profiling
Agent [baseline] (1.204 s) : 0, 1204060
Total [baseline] (10.911 s) : 0, 10911345
Agent [candidate] (1.203 s) : 0, 1203497
Total [candidate] (10.918 s) : 0, 10917848
Loading
  • baseline results
Module Variant Duration Δ tracing
Agent tracing 1.081 s -
Agent appsec 1.27 s 189.031 ms (17.5%)
Agent iast 1.234 s 152.949 ms (14.2%)
Agent profiling 1.204 s 123.319 ms (11.4%)
Total tracing 10.909 s -
Total appsec 10.997 s 88.587 ms (0.8%)
Total iast 11.206 s 297.717 ms (2.7%)
Total profiling 10.911 s 2.743 ms (0.0%)
  • candidate results
Module Variant Duration Δ tracing
Agent tracing 1.094 s -
Agent appsec 1.274 s 180.026 ms (16.5%)
Agent iast 1.226 s 132.269 ms (12.1%)
Agent profiling 1.203 s 109.618 ms (10.0%)
Total tracing 10.832 s -
Total appsec 11.044 s 211.81 ms (2.0%)
Total iast 11.104 s 271.697 ms (2.5%)
Total profiling 10.918 s 85.657 ms (0.8%) 
gantt
    title petclinic - break down per module: candidate=1.58.0-SNAPSHOT~b84b27e5da, baseline=1.58.0-SNAPSHOT~fbdb1cffac

    dateFormat X
    axisFormat %s
section tracing
crashtracking [baseline] (1.185 ms) : 0, 1185
crashtracking [candidate] (1.201 ms) : 0, 1201
BytebuddyAgent [baseline] (648.54 ms) : 0, 648540
BytebuddyAgent [candidate] (658.167 ms) : 0, 658167
GlobalTracer [baseline] (281.953 ms) : 0, 281953
GlobalTracer [candidate] (284.46 ms) : 0, 284460
AppSec [baseline] (32.186 ms) : 0, 32186
AppSec [candidate] (32.531 ms) : 0, 32531
Debugger [baseline] (67.287 ms) : 0, 67287
Debugger [candidate] (68.501 ms) : 0, 68501
Remote Config [baseline] (636.527 µs) : 0, 637
Remote Config [candidate] (613.165 µs) : 0, 613
Telemetry [baseline] (9.023 ms) : 0, 9023
Telemetry [candidate] (8.956 ms) : 0, 8956
Flare Poller [baseline] (4.509 ms) : 0, 4509
Flare Poller [candidate] (3.757 ms) : 0, 3757
section appsec
crashtracking [baseline] (1.187 ms) : 0, 1187
crashtracking [candidate] (1.187 ms) : 0, 1187
BytebuddyAgent [baseline] (692.588 ms) : 0, 692588
BytebuddyAgent [candidate] (694.957 ms) : 0, 694957
GlobalTracer [baseline] (259.745 ms) : 0, 259745
GlobalTracer [candidate] (260.091 ms) : 0, 260091
AppSec [baseline] (173.242 ms) : 0, 173242
AppSec [candidate] (174.697 ms) : 0, 174697
Debugger [baseline] (69.186 ms) : 0, 69186
Debugger [candidate] (68.839 ms) : 0, 68839
Remote Config [baseline] (697.241 µs) : 0, 697
Remote Config [candidate] (737.071 µs) : 0, 737
Telemetry [baseline] (9.107 ms) : 0, 9107
Telemetry [candidate] (9.139 ms) : 0, 9139
Flare Poller [baseline] (3.769 ms) : 0, 3769
Flare Poller [candidate] (3.903 ms) : 0, 3903
IAST [baseline] (24.652 ms) : 0, 24652
IAST [candidate] (24.71 ms) : 0, 24710
section iast
crashtracking [baseline] (1.19 ms) : 0, 1190
crashtracking [candidate] (1.181 ms) : 0, 1181
BytebuddyAgent [baseline] (798.089 ms) : 0, 798089
BytebuddyAgent [candidate] (793.563 ms) : 0, 793563
GlobalTracer [baseline] (258.455 ms) : 0, 258455
GlobalTracer [candidate] (256.174 ms) : 0, 256174
AppSec [baseline] (34.459 ms) : 0, 34459
AppSec [candidate] (30.879 ms) : 0, 30879
Debugger [baseline] (65.977 ms) : 0, 65977
Debugger [candidate] (69.3 ms) : 0, 69300
Remote Config [baseline] (579.819 µs) : 0, 580
Remote Config [candidate] (603.961 µs) : 0, 604
Telemetry [baseline] (8.535 ms) : 0, 8535
Telemetry [candidate] (8.483 ms) : 0, 8483
Flare Poller [baseline] (3.512 ms) : 0, 3512
Flare Poller [candidate] (3.519 ms) : 0, 3519
IAST [baseline] (27.381 ms) : 0, 27381
IAST [candidate] (27.205 ms) : 0, 27205
section profiling
crashtracking [baseline] (1.218 ms) : 0, 1218
crashtracking [candidate] (1.208 ms) : 0, 1208
BytebuddyAgent [baseline] (702.174 ms) : 0, 702174
BytebuddyAgent [candidate] (701.498 ms) : 0, 701498
GlobalTracer [baseline] (221.163 ms) : 0, 221163
GlobalTracer [candidate] (221.219 ms) : 0, 221219
AppSec [baseline] (32.105 ms) : 0, 32105
AppSec [candidate] (32.124 ms) : 0, 32124
Debugger [baseline] (67.918 ms) : 0, 67918
Debugger [candidate] (68.025 ms) : 0, 68025
Remote Config [baseline] (637.645 µs) : 0, 638
Remote Config [candidate] (627.984 µs) : 0, 628
Telemetry [baseline] (8.727 ms) : 0, 8727
Telemetry [candidate] (8.689 ms) : 0, 8689
Flare Poller [baseline] (3.686 ms) : 0, 3686
Flare Poller [candidate] (3.708 ms) : 0, 3708
ProfilingAgent [baseline] (96.766 ms) : 0, 96766
ProfilingAgent [candidate] (96.735 ms) : 0, 96735
Profiling [baseline] (97.344 ms) : 0, 97344
Profiling [candidate] (97.296 ms) : 0, 97296
Loading
Startup time reports for insecure-bank 
gantt
    title insecure-bank - global startup overhead: candidate=1.58.0-SNAPSHOT~b84b27e5da, baseline=1.58.0-SNAPSHOT~fbdb1cffac

    dateFormat X
    axisFormat %s
section tracing
Agent [baseline] (1.098 s) : 0, 1098340
Total [baseline] (8.795 s) : 0, 8795182
Agent [candidate] (1.095 s) : 0, 1094574
Total [candidate] (8.75 s) : 0, 8750500
section iast
Agent [baseline] (1.229 s) : 0, 1228617
Total [baseline] (9.326 s) : 0, 9325617
Agent [candidate] (1.22 s) : 0, 1220034
Total [candidate] (9.243 s) : 0, 9242670
Loading
  • baseline results
Module Variant Duration Δ tracing
Agent tracing 1.098 s -
Agent iast 1.229 s 130.277 ms (11.9%)
Total tracing 8.795 s -
Total iast 9.326 s 530.435 ms (6.0%)
  • candidate results
Module Variant Duration Δ tracing
Agent tracing 1.095 s -
Agent iast 1.22 s 125.459 ms (11.5%)
Total tracing 8.75 s -
Total iast 9.243 s 492.17 ms (5.6%) 
gantt
    title insecure-bank - break down per module: candidate=1.58.0-SNAPSHOT~b84b27e5da, baseline=1.58.0-SNAPSHOT~fbdb1cffac

    dateFormat X
    axisFormat %s
section tracing
crashtracking [baseline] (1.214 ms) : 0, 1214
crashtracking [candidate] (1.198 ms) : 0, 1198
BytebuddyAgent [baseline] (659.473 ms) : 0, 659473
BytebuddyAgent [candidate] (658.063 ms) : 0, 658063
GlobalTracer [baseline] (287.012 ms) : 0, 287012
GlobalTracer [candidate] (285.672 ms) : 0, 285672
AppSec [baseline] (33.115 ms) : 0, 33115
AppSec [candidate] (32.729 ms) : 0, 32729
Debugger [baseline] (68.185 ms) : 0, 68185
Debugger [candidate] (67.639 ms) : 0, 67639
Remote Config [baseline] (639.352 µs) : 0, 639
Remote Config [candidate] (626.286 µs) : 0, 626
Telemetry [baseline] (9.074 ms) : 0, 9074
Telemetry [candidate] (9.092 ms) : 0, 9092
Flare Poller [baseline] (3.811 ms) : 0, 3811
Flare Poller [candidate] (3.799 ms) : 0, 3799
section iast
crashtracking [baseline] (1.205 ms) : 0, 1205
crashtracking [candidate] (1.179 ms) : 0, 1179
BytebuddyAgent [baseline] (796.971 ms) : 0, 796971
BytebuddyAgent [candidate] (789.451 ms) : 0, 789451
GlobalTracer [baseline] (255.929 ms) : 0, 255929
GlobalTracer [candidate] (255.262 ms) : 0, 255262
AppSec [baseline] (33.535 ms) : 0, 33535
AppSec [candidate] (35.148 ms) : 0, 35148
Debugger [baseline] (65.874 ms) : 0, 65874
Debugger [candidate] (63.935 ms) : 0, 63935
Remote Config [baseline] (578.624 µs) : 0, 579
Remote Config [candidate] (600.3 µs) : 0, 600
Telemetry [baseline] (8.485 ms) : 0, 8485
Telemetry [candidate] (8.497 ms) : 0, 8497
Flare Poller [baseline] (3.557 ms) : 0, 3557
Flare Poller [candidate] (3.521 ms) : 0, 3521
IAST [baseline] (27.021 ms) : 0, 27021
IAST [candidate] (27.092 ms) : 0, 27092
Loading

Load

Parameters

Baseline Candidate
baseline_or_candidate baseline candidate
git_branch master andrea.marziali/tomcat-classloading
git_commit_date 1766140713 1766145466
git_commit_sha fbdb1cf b84b27e
release_version 1.58.0-SNAPSHOT~fbdb1cffac 1.58.0-SNAPSHOT~b84b27e5da
See matching parameters
Baseline Candidate
application insecure-bank insecure-bank
ci_job_date 1766147797 1766147797
ci_job_id 1309247479 1309247479
ci_pipeline_id 87760585 87760585
cpu_model Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz Intel(R) Xeon(R) Platinum 8259CL CPU @ 2.50GHz
kernel_version Linux runner-zfyrx7zua-project-304-concurrent-1-62u0hv14 6.8.0-1031-aws #33~22.04.1-Ubuntu SMP Thu Jun 26 14:22:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux Linux runner-zfyrx7zua-project-304-concurrent-1-62u0hv14 6.8.0-1031-aws #33~22.04.1-Ubuntu SMP Thu Jun 26 14:22:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux

Summary

Found 0 performance improvements and 2 performance regressions! Performance is the same for 18 metrics, 16 unstable metrics.

scenario Δ mean agg_http_req_duration_p50 Δ mean agg_http_req_duration_p95 Δ mean throughput candidate mean agg_http_req_duration_p50 candidate mean agg_http_req_duration_p95 candidate mean throughput baseline mean agg_http_req_duration_p50 baseline mean agg_http_req_duration_p95 baseline mean throughput
scenario:load:insecure-bank:iast:high_load worse
[+76.629µs; +173.338µs] or [+3.245%; +7.341%]		 unsure
[+132.685µs; +456.865µs] or [+1.882%; +6.479%]		 unstable
[-221.969op/s; +91.094op/s] or [-14.845%; +6.092%]		 2.486ms 7.346ms 1429.781op/s 2.361ms 7.051ms 1495.219op/s
scenario:load:petclinic:iast:high_load worse
[+360.559µs; +853.387µs] or [+2.090%; +4.946%]		 same
[-28.239µs; +984.421µs] or [-0.099%; +3.455%]		 unstable
[-33.239op/s; +18.301op/s] or [-12.553%; +6.912%]		 17.862ms 28.967ms 257.312op/s 17.255ms 28.489ms 264.781op/s
Request duration reports for petclinic 
gantt
    title petclinic - request duration [CI 0.99] : candidate=1.58.0-SNAPSHOT~b84b27e5da, baseline=1.58.0-SNAPSHOT~fbdb1cffac
    dateFormat X
    axisFormat %s
section baseline
no_agent (19.137 ms) : 18939, 19335
.   : milestone, 19137,
appsec (18.659 ms) : 18470, 18848
.   : milestone, 18659,
code_origins (17.809 ms) : 17630, 17989
.   : milestone, 17809,
iast (17.623 ms) : 17448, 17798
.   : milestone, 17623,
profiling (18.371 ms) : 18183, 18559
.   : milestone, 18371,
tracing (17.636 ms) : 17461, 17811
.   : milestone, 17636,
section candidate
no_agent (19.002 ms) : 18802, 19201
.   : milestone, 19002,
appsec (18.623 ms) : 18433, 18814
.   : milestone, 18623,
code_origins (17.73 ms) : 17558, 17903
.   : milestone, 17730,
iast (18.137 ms) : 17957, 18318
.   : milestone, 18137,
profiling (18.435 ms) : 18252, 18618
.   : milestone, 18435,
tracing (17.494 ms) : 17326, 17662
.   : milestone, 17494,
Loading
  • baseline results
Variant Request duration [CI 0.99] Δ no_agent
no_agent 19.137 ms [18.939 ms, 19.335 ms] -
appsec 18.659 ms [18.47 ms, 18.848 ms] -478.058 µs (-2.5%)
code_origins 17.809 ms [17.63 ms, 17.989 ms] -1.328 ms (-6.9%)
iast 17.623 ms [17.448 ms, 17.798 ms] -1.514 ms (-7.9%)
profiling 18.371 ms [18.183 ms, 18.559 ms] -766.069 µs (-4.0%)
tracing 17.636 ms [17.461 ms, 17.811 ms] -1.501 ms (-7.8%)
  • candidate results
Variant Request duration [CI 0.99] Δ no_agent
no_agent 19.002 ms [18.802 ms, 19.201 ms] -
appsec 18.623 ms [18.433 ms, 18.814 ms] -378.399 µs (-2.0%)
code_origins 17.73 ms [17.558 ms, 17.903 ms] -1.271 ms (-6.7%)
iast 18.137 ms [17.957 ms, 18.318 ms] -864.508 µs (-4.5%)
profiling 18.435 ms [18.252 ms, 18.618 ms] -567.041 µs (-3.0%)
tracing 17.494 ms [17.326 ms, 17.662 ms] -1.508 ms (-7.9%)
Request duration reports for insecure-bank 
gantt
    title insecure-bank - request duration [CI 0.99] : candidate=1.58.0-SNAPSHOT~b84b27e5da, baseline=1.58.0-SNAPSHOT~fbdb1cffac
    dateFormat X
    axisFormat %s
section baseline
no_agent (1.173 ms) : 1161, 1184
.   : milestone, 1173,
iast (3.056 ms) : 3019, 3094
.   : milestone, 3056,
iast_FULL (5.605 ms) : 5550, 5660
.   : milestone, 5605,
iast_GLOBAL (3.554 ms) : 3503, 3605
.   : milestone, 3554,
profiling (2.217 ms) : 2195, 2239
.   : milestone, 2217,
tracing (1.838 ms) : 1821, 1855
.   : milestone, 1838,
section candidate
no_agent (1.195 ms) : 1183, 1207
.   : milestone, 1195,
iast (3.199 ms) : 3159, 3239
.   : milestone, 3199,
iast_FULL (5.509 ms) : 5455, 5562
.   : milestone, 5509,
iast_GLOBAL (3.641 ms) : 3588, 3694
.   : milestone, 3641,
profiling (2.154 ms) : 2136, 2173
.   : milestone, 2154,
tracing (1.74 ms) : 1727, 1754
.   : milestone, 1740,
Loading
  • baseline results
Variant Request duration [CI 0.99] Δ no_agent
no_agent 1.173 ms [1.161 ms, 1.184 ms] -
iast 3.056 ms [3.019 ms, 3.094 ms] 1.884 ms (160.6%)
iast_FULL 5.605 ms [5.55 ms, 5.66 ms] 4.432 ms (377.9%)
iast_GLOBAL 3.554 ms [3.503 ms, 3.605 ms] 2.381 ms (203.0%)
profiling 2.217 ms [2.195 ms, 2.239 ms] 1.044 ms (89.0%)
tracing 1.838 ms [1.821 ms, 1.855 ms] 665.501 µs (56.7%)
  • candidate results
Variant Request duration [CI 0.99] Δ no_agent
no_agent 1.195 ms [1.183 ms, 1.207 ms] -
iast 3.199 ms [3.159 ms, 3.239 ms] 2.004 ms (167.7%)
iast_FULL 5.509 ms [5.455 ms, 5.562 ms] 4.314 ms (361.0%)
iast_GLOBAL 3.641 ms [3.588 ms, 3.694 ms] 2.446 ms (204.7%)
profiling 2.154 ms [2.136 ms, 2.173 ms] 959.352 µs (80.3%)
tracing 1.74 ms [1.727 ms, 1.754 ms] 545.49 µs (45.7%)

Dacapo

Parameters

Baseline Candidate
baseline_or_candidate baseline candidate
git_branch master andrea.marziali/tomcat-classloading
git_commit_date 1766140713 1766145466
git_commit_sha fbdb1cf b84b27e
release_version 1.58.0-SNAPSHOT~fbdb1cffac 1.58.0-SNAPSHOT~b84b27e5da
See matching parameters
Baseline Candidate
application biojava biojava
ci_job_date 1766147545 1766147545
ci_job_id 1309247480 1309247480
ci_pipeline_id 87760585 87760585
cpu_model Intel(R) Xeon(R) Platinum 8175M CPU @ 2.50GHz Intel(R) Xeon(R) Platinum 8175M CPU @ 2.50GHz
kernel_version Linux runner-zfyrx7zua-project-304-concurrent-0-zhbetd9r 6.8.0-1031-aws #33~22.04.1-Ubuntu SMP Thu Jun 26 14:22:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux Linux runner-zfyrx7zua-project-304-concurrent-0-zhbetd9r 6.8.0-1031-aws #33~22.04.1-Ubuntu SMP Thu Jun 26 14:22:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux

Summary

Found 0 performance improvements and 0 performance regressions! Performance is the same for 11 metrics, 1 unstable metrics.

Execution time for biojava 
gantt
    title biojava - execution time [CI 0.99] : candidate=1.58.0-SNAPSHOT~b84b27e5da, baseline=1.58.0-SNAPSHOT~fbdb1cffac
    dateFormat X
    axisFormat %s
section baseline
no_agent (14.496 s) : 14496000, 14496000
.   : milestone, 14496000,
appsec (14.587 s) : 14587000, 14587000
.   : milestone, 14587000,
iast (17.716 s) : 17716000, 17716000
.   : milestone, 17716000,
iast_GLOBAL (17.351 s) : 17351000, 17351000
.   : milestone, 17351000,
profiling (14.181 s) : 14181000, 14181000
.   : milestone, 14181000,
tracing (14.364 s) : 14364000, 14364000
.   : milestone, 14364000,
section candidate
no_agent (14.89 s) : 14890000, 14890000
.   : milestone, 14890000,
appsec (14.117 s) : 14117000, 14117000
.   : milestone, 14117000,
iast (17.33 s) : 17330000, 17330000
.   : milestone, 17330000,
iast_GLOBAL (17.269 s) : 17269000, 17269000
.   : milestone, 17269000,
profiling (14.311 s) : 14311000, 14311000
.   : milestone, 14311000,
tracing (14.151 s) : 14151000, 14151000
.   : milestone, 14151000,
Loading
  • baseline results
Variant Execution Time [CI 0.99] Δ no_agent
no_agent 14.496 s [14.496 s, 14.496 s] -
appsec 14.587 s [14.587 s, 14.587 s] 91.0 ms (0.6%)
iast 17.716 s [17.716 s, 17.716 s] 3.22 s (22.2%)
iast_GLOBAL 17.351 s [17.351 s, 17.351 s] 2.855 s (19.7%)
profiling 14.181 s [14.181 s, 14.181 s] -315.0 ms (-2.2%)
tracing 14.364 s [14.364 s, 14.364 s] -132.0 ms (-0.9%)
  • candidate results
Variant Execution Time [CI 0.99] Δ no_agent
no_agent 14.89 s [14.89 s, 14.89 s] -
appsec 14.117 s [14.117 s, 14.117 s] -773.0 ms (-5.2%)
iast 17.33 s [17.33 s, 17.33 s] 2.44 s (16.4%)
iast_GLOBAL 17.269 s [17.269 s, 17.269 s] 2.379 s (16.0%)
profiling 14.311 s [14.311 s, 14.311 s] -579.0 ms (-3.9%)
tracing 14.151 s [14.151 s, 14.151 s] -739.0 ms (-5.0%)
Execution time for tomcat 
gantt
    title tomcat - execution time [CI 0.99] : candidate=1.58.0-SNAPSHOT~b84b27e5da, baseline=1.58.0-SNAPSHOT~fbdb1cffac
    dateFormat X
    axisFormat %s
section baseline
no_agent (1.486 ms) : 1475, 1498
.   : milestone, 1486,
appsec (4.198 ms) : 3942, 4454
.   : milestone, 4198,
iast (2.59 ms) : 2488, 2693
.   : milestone, 2590,
iast_GLOBAL (2.625 ms) : 2523, 2728
.   : milestone, 2625,
profiling (2.448 ms) : 2359, 2537
.   : milestone, 2448,
tracing (2.381 ms) : 2296, 2465
.   : milestone, 2381,
section candidate
no_agent (1.487 ms) : 1476, 1499
.   : milestone, 1487,
appsec (4.187 ms) : 3932, 4442
.   : milestone, 4187,
iast (2.593 ms) : 2490, 2695
.   : milestone, 2593,
iast_GLOBAL (2.633 ms) : 2530, 2736
.   : milestone, 2633,
profiling (2.422 ms) : 2334, 2510
.   : milestone, 2422,
tracing (2.383 ms) : 2299, 2467
.   : milestone, 2383,
Loading
  • baseline results
Variant Execution Time [CI 0.99] Δ no_agent
no_agent 1.486 ms [1.475 ms, 1.498 ms] -
appsec 4.198 ms [3.942 ms, 4.454 ms] 2.711 ms (182.4%)
iast 2.59 ms [2.488 ms, 2.693 ms] 1.104 ms (74.2%)
iast_GLOBAL 2.625 ms [2.523 ms, 2.728 ms] 1.139 ms (76.6%)
profiling 2.448 ms [2.359 ms, 2.537 ms] 961.491 µs (64.7%)
tracing 2.381 ms [2.296 ms, 2.465 ms] 894.101 µs (60.1%)
  • candidate results
Variant Execution Time [CI 0.99] Δ no_agent
no_agent 1.487 ms [1.476 ms, 1.499 ms] -
appsec 4.187 ms [3.932 ms, 4.442 ms] 2.7 ms (181.6%)
iast 2.593 ms [2.49 ms, 2.695 ms] 1.106 ms (74.3%)
iast_GLOBAL 2.633 ms [2.53 ms, 2.736 ms] 1.146 ms (77.0%)
profiling 2.422 ms [2.334 ms, 2.51 ms] 934.707 µs (62.8%)
tracing 2.383 ms [2.299 ms, 2.467 ms] 895.698 µs (60.2%)

@amarziali amarziali merged commit e5c8728 into master Dec 19, 2025
566 checks passed
@amarziali amarziali deleted the andrea.marziali/tomcat-classloading branch December 19, 2025 13:33
@github-actions github-actions bot added this to the 1.58.0 milestone Dec 19, 2025
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Reviewers

@AlexeyKuznetsov-DD AlexeyKuznetsov-DD AlexeyKuznetsov-DD approved these changes

Assignees

No one assigned

Labels

inst: others All other instrumentations tag: telemetry error reported Reported by error telemetry type: bug Bug report and fix

Projects

None yet

Milestone

1.58.0

Development

Successfully merging this pull request may close these issues.

3 participants

@amarziali @AlexeyKuznetsov-DD