dgolombek

# Stolen from
# https://github.com/nginxinc/nginx-unsupported-modules/blob/master/ngx_otel_module/Dockerfile.base.debian
# plus
# https://github.com/nginxinc/nginx-unsupported-modules/blob/master/ngx_otel_module/Dockerfile.debian
# Updated to build on U18, and had to update the apt-add-repository for cmake to target bionic
# Updated to build DEBUG target for debugging
FROM <local_repo>/ubuntu18:latest

ENV DEBIAN_FRONTEND=noninteractive
ENV GRPC_VERSION_TAG=v1.36.4

dgolombek

• Bad Hostname https://fjsadfjsadfsdfadfsa.com
• Host that doesn't respond https://blog.stepstogo.com/
• TLS errors https://badssl.com/ - everything
  • Expired Cert https://expired.badssl.com/
  • Self-Signed Certificate https://self-signed.badssl.com/
  • Untrusted Root https://untrusted-root.badssl.com/
  • Bad cipher (RC4) https://rc4-md5.badssl.com/
  • Weak key (DH 480) https://dh480.badssl.com/
  • SHA-1 Intermediate https://sha1-intermediate.badssl.com/
• Known bad certificate https://superfish.badssl.com/

dgolombek

(gdb) thread apply 91 backtrace

Thread 91 (Thread 0x7f53fd386700 (LWP 11415)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f5465f979e8 in Parker::park(bool, long) () from /usr/lib/jvm/java-8-openjdk-amd64/jre/lib/amd64/server/libjvm.so
#2  0x00007f5466124384 in Unsafe_Park () from /usr/lib/jvm/java-8-openjdk-amd64/jre/lib/amd64/server/libjvm.so
#3  0x00007f54528af12a in ?? ()
#4  0x00000006c0259770 in ?? ()
#5  0x00000006f7344ee0 in ?? ()
#6  0x00000007a4cc2328 in ?? ()

dgolombek

Full thread dump OpenJDK 64-Bit Server VM (25.252-b09 mixed mode):

"JMX server connection timeout 2703" #2703 daemon prio=5 os_prio=0 tid=0x00007f059c33a800 nid=0x13a2 in Object.wait() [0x00007f055b791000]
   java.lang.Thread.State: TIMED_WAITING (on object monitor)
	at java.lang.Object.wait(Native Method)
	at com.sun.jmx.remote.internal.ServerCommunicatorAdmin$Timeout.run(ServerCommunicatorAdmin.java:168)
	- locked <0x0000000729300170> (a [I)
	at java.lang.Thread.run(Thread.java:748)

"qtp668849042-2702" #2702 prio=5 os_prio=0 tid=0x00007f05d5fc6800 nid=0x139d waiting on condition [0x00007f055b892000]

dgolombek

Full thread dump OpenJDK 64-Bit Server VM (25.252-b09 mixed mode):

"JMX server connection timeout 2703" #2703 daemon prio=5 os_prio=0 tid=0x00007f059c33a800 nid=0x13a2 in Object.wait() [0x00007f055b791000]
   java.lang.Thread.State: TIMED_WAITING (on object monitor)
	at java.lang.Object.wait(Native Method)
	at com.sun.jmx.remote.internal.ServerCommunicatorAdmin$Timeout.run(ServerCommunicatorAdmin.java:168)
	- locked <0x0000000729300170> (a [I)
	at java.lang.Thread.run(Thread.java:748)

"qtp668849042-2702" #2702 prio=5 os_prio=0 tid=0x00007f05d5fc6800 nid=0x139d waiting on condition [0x00007f055b892000]

dgolombek

require 'spec_helper'

def check_iter(iter, first)
  raise "bad first element on first peek, #{iter.peek.id} != #{first.id}" unless iter.peek.id == first.id
  raise "bad first element on second peek" unless iter.peek.id == first.id
  raise "bad first element on next" unless iter.next.id == first.id
end

describe 'Enumerator' do
  context 'with a single value in an AR array' do

dgolombek

Keybase proof

I hereby claim:

• I am dgolombek on github.
• I am daveg (https://keybase.io/daveg) on keybase.
• I have a public key whose fingerprint is FF98 2D77 13AD CA30 972A 20D0 5B69 0988 5B0C 77BA

To claim this, I am signing this object: