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MACIEJWALKOWIAK TROUBLESHOOTING SPRING BOOT APPS WITH SENTRY MACIEJ WALKOWIAK

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@maciejwalkowiak MAKING SOFTWARE IN 2021 LIKE A PRO •Agile •Unit & Integration Tests •Frequent Releases •Cloud •Deployment Automation

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@maciejwalkowiak DEVELOPER LIFE IN 2007 •Agile Waterfall •Unit & Integration Tests Manual Testing •Frequent Releases Release every few months •Cloud Server Room behind the wall •Deployment Automation Sending ZIP file to release manager

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@maciejwalkowiak If something can go wrong, It will go wrong

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MACIEJWALKOWIAK

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MACIEJWALKOWIAK return paymentService.executePayment(userId, payment);

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MACIEJWALKOWIAK try { return paymentService.executePayment(userId, payment); } catch (Exception e) { LOGGER.error("Executing payment failed for user: {}, payment: {}", e); throw new RuntimeException(e); }

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MACIEJWALKOWIAK try { LOGGER.info("Executing payment for user: {}", userId); PaymentResult result = paymentService.executePayment(userId, payment); LOGGER.info("Payment result: {}", result); return result; } catch (Exception e) { LOGGER.error("Executing payment failed for user: {}, payment: {}", e); throw new RuntimeException(e); }

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@maciejwalkowiak THINGS HAVE CHANGED •(Misunderstood) Agile •Cloud & Microservices •Mobile (traffic!) •(Proper) security

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MACIEJWALKOWIAK

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@maciejwalkowiak hey I just met you and this is crazy but can this error log be a bug report maybe?

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MACIEJWALKOWIAK

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MACIEJWALKOWIAK MACIEJ WALKOWIAK - independent consultant - Spring Cloud AWS Lead - working with

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@maciejwalkowiak DEMO TIME!

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@maciejwalkowiak SENTRY & SPRING BOOT INTEGRATIONS •Spring MVC •Spring WebFlux (error reporting) •Retrieving user information from Spring Security •RestTemplate •WebClient •Logback •declarative tracing with @SentrySpan & @SentryTransaction

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@maciejwalkowiak OTHER INTEGRATIONS •OpenFeign •Apollo GraphQL •Java Util Logging •Log4j2 •Servlets

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MACIEJWALKOWIAK https://sentry.io

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MACIEJWALKOWIAK https://github.com/getsentry

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MACIEJWALKOWIAK https://docs.sentry.io

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MACIEJWALKOWIAK https://github.com/getsentry/sentry-java

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@maciejwalkowiak THANK YOU! HAPPY BUGFIXING!