Fix jaeger example

[thisthat]

Resolve #775
@carlosalberto please test if this solves your problem.

[codecov-io]

Codecov Report

Merging #776 into master will decrease coverage by 0.07%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master     #776      +/-   ##
============================================
- Coverage     78.84%   78.77%   -0.08%     
+ Complexity      761      760       -1     
============================================
  Files            98       98              
  Lines          2709     2709              
  Branches        255      255              
============================================
- Hits           2136     2134       -2     
- Misses          473      474       +1     
- Partials        100      101       +1

Impacted Files	Coverage Δ	Complexity Δ
...ntelemetry/sdk/trace/RecordEventsReadableSpan.java	90.24% <0%> (-1.22%)	43% <0%> (-1%)

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